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3806680 = 235591613
BaseRepresentation
bin1110100001010111011000
321011101210011
432201113120
51433303210
6213331304
744233123
oct16412730
97141704
103806680
112170019
121336b34
13a33897
147113ba
15502d8a
hex3a15d8

3806680 has 32 divisors (see below), whose sum is σ = 8715600. Its totient is φ = 1495936.

The previous prime is 3806659. The next prime is 3806683. The reversal of 3806680 is 866083.

3806680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1554 + ... + 3166.

Almost surely, 23806680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3806680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4357800).

3806680 is an abundant number, since it is smaller than the sum of its proper divisors (4908920).

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

3806680 is a wasteful number, since it uses less digits than its factorization.

3806680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 3806680 is about 1951.0715004838. The cubic root of 3806680 is about 156.1404608254.

The spelling of 3806680 in words is "three million, eight hundred six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 1613 2360 3226 6452 8065 12904 16130 32260 64520 95167 190334 380668 475835 761336 951670 1903340 3806680