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3779685 = 325713271
BaseRepresentation
bin1110011010110001100101
321010000202100
432122301211
51431422220
6213002313
744061330
oct16326145
97100670
103779685
112151808
121323399
13a24500
14705617
154e9d90
hex39ac65

3779685 has 72 divisors (see below), whose sum is σ = 8221824. Its totient is φ = 1572480.

The previous prime is 3779669. The next prime is 3779687. The reversal of 3779685 is 5869773.

It is a happy number.

It is not a de Polignac number, because 3779685 - 24 = 3779669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3779685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3779687) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53200 + ... + 53270.

It is an arithmetic number, because the mean of its divisors is an integer number (114192).

Almost surely, 23779685 is an apocalyptic number.

3779685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3779685 is an abundant number, since it is smaller than the sum of its proper divisors (4442139).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3779685 is a wasteful number, since it uses less digits than its factorization.

3779685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 99 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 3779685 is about 1944.1411985759. The cubic root of 3779685 is about 155.7704958569.

The spelling of 3779685 in words is "three million, seven hundred seventy-nine thousand, six hundred eighty-five".

Divisors: 1 3 5 7 9 13 15 21 35 39 45 63 65 71 91 105 117 169 195 213 273 315 355 455 497 507 585 639 819 845 923 1065 1183 1365 1491 1521 2485 2535 2769 3195 3549 4095 4473 4615 5915 6461 7455 7605 8307 10647 11999 13845 17745 19383 22365 32305 35997 41535 53235 58149 59995 83993 96915 107991 179985 251979 290745 419965 539955 755937 1259895 3779685