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4085961 = 311123817
BaseRepresentation
bin1111100101100011001001
321200120212220
433211203021
52021222321
6223324253
746505265
oct17454311
97616786
104085961
112340930
121450689
13b00a39
147850a5
1555a9c6
hex3e58c9

4085961 has 8 divisors (see below), whose sum is σ = 5943264. Its totient is φ = 2476320.

The previous prime is 4085957. The next prime is 4085981. The reversal of 4085961 is 1695804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4085961 - 22 = 4085957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 123817 = 4085961 / (4 + 0 + 8 + 5 + 9 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61876 + ... + 61941.

It is an arithmetic number, because the mean of its divisors is an integer number (742908).

Almost surely, 24085961 is an apocalyptic number.

It is an amenable number.

4085961 is a deficient number, since it is larger than the sum of its proper divisors (1857303).

4085961 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 4085961 = (1450689)12.

4085961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123831.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4085961 is about 2021.3760164799. The cubic root of 4085961 is about 159.8691769166.

The spelling of 4085961 in words is "four million, eighty-five thousand, nine hundred sixty-one".

Divisors: 1 3 11 33 123817 371451 1361987 4085961