3902812 has 12 divisors (see below), whose sum is σ = 6843760. Its totient is φ = 1947456.

The previous prime is 3902803. The next prime is 3902813. The reversal of 3902812 is 2182093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3902813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3364 + ... + 4372.

Almost surely, 2^3902812 is an apocalyptic number.

It is an amenable number.

3902812 is a deficient number, since it is larger than the sum of its proper divisors (2940948).

3902812 is a wasteful number, since it uses less digits than its factorization.

3902812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 3902812 is about 1975.5535932999. The cubic root of 3902812 is about 157.4439138504.

The spelling of 3902812 in words is "three million, nine hundred two thousand, eight hundred twelve".