3872990 has 32 divisors (see below), whose sum is σ = 7690464. Its totient is φ = 1392640.

The previous prime is 3872977. The next prime is 3873007. The reversal of 3872990 is 992783.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14942 + ... + 15198.

It is an arithmetic number, because the mean of its divisors is an integer number (240327).

Almost surely, 2^3872990 is an apocalyptic number.

3872990 is a deficient number, since it is larger than the sum of its proper divisors (3817474).

3872990 is a wasteful number, since it uses less digits than its factorization.

3872990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3872990 is about 1967.9913617697. The cubic root of 3872990 is about 157.0418701801.

The spelling of 3872990 in words is "three million, eight hundred seventy-two thousand, nine hundred ninety".