3975790 has 64 divisors (see below), whose sum is σ = 9362304. Its totient is φ = 1179648.

The previous prime is 3975779. The next prime is 3975791. The reversal of 3975790 is 975793.

It is a super-2 number, since 2×3975790² = 31613812248200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975791) 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 31 ways as a sum of consecutive naturals, for example, 15342 + ... + 15598.

It is an arithmetic number, because the mean of its divisors is an integer number (146286).

Almost surely, 2^3975790 is an apocalyptic number.

3975790 is an abundant number, since it is smaller than the sum of its proper divisors (5386514).

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

3975790 is a wasteful number, since it uses less digits than its factorization.

3975790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 3975790 is about 1993.9383139907. The cubic root of 3975790 is about 158.4191987324.

The spelling of 3975790 in words is "three million, nine hundred seventy-five thousand, seven hundred ninety".