3861902 has 16 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 1662840.

The previous prime is 3861899. The next prime is 3861911. The reversal of 3861902 is 2091683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4202 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^3861902 is an apocalyptic number.

3861902 is a deficient number, since it is larger than the sum of its proper divisors (2790898).

3861902 is a wasteful number, since it uses less digits than its factorization.

3861902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9271.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3861902 is about 1965.1722570808. The cubic root of 3861902 is about 156.8918616501.

The spelling of 3861902 in words is "three million, eight hundred sixty-one thousand, nine hundred two".