3975290 has 32 divisors (see below), whose sum is σ = 7931520. Its totient is φ = 1422400.

The previous prime is 3975289. The next prime is 3975341. The reversal of 3975290 is 925793.

It is a self number, because there is not a number n which added to its sum of digits gives 3975290.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7556 + ... + 8064.

It is an arithmetic number, because the mean of its divisors is an integer number (247860).

Almost surely, 2^3975290 is an apocalyptic number.

3975290 is a deficient number, since it is larger than the sum of its proper divisors (3956230).

3975290 is a wasteful number, since it uses less digits than its factorization.

3975290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 3975290 is about 1993.8129300413. The cubic root of 3975290 is about 158.4125574594.

The spelling of 3975290 in words is "three million, nine hundred seventy-five thousand, two hundred ninety".