3685902 has 24 divisors (see below), whose sum is σ = 8104488. Its totient is φ = 1116720.

The previous prime is 3685883. The next prime is 3685949. The reversal of 3685902 is 2095863.

It is a happy number.

3685902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1813 + ... + 3264.

It is an arithmetic number, because the mean of its divisors is an integer number (337687).

Almost surely, 2^3685902 is an apocalyptic number.

3685902 is an abundant number, since it is smaller than the sum of its proper divisors (4418586).

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

3685902 is a wasteful number, since it uses less digits than its factorization.

3685902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3685902 is about 1919.8703081198. The cubic root of 3685902 is about 154.4713450067.

The spelling of 3685902 in words is "three million, six hundred eighty-five thousand, nine hundred two".