3975388 has 12 divisors (see below), whose sum is σ = 7025200. Its totient is φ = 1968192.

The previous prime is 3975383. The next prime is 3975437. The reversal of 3975388 is 8835793.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4413 + ... + 5236.

Almost surely, 2^3975388 is an apocalyptic number.

It is an amenable number.

3975388 is a deficient number, since it is larger than the sum of its proper divisors (3049812).

3975388 is a wasteful number, since it uses less digits than its factorization.

3975388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9756 (or 9754 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 3975388 is about 1993.8375059167. The cubic root of 3975388 is about 158.4138591928.

The spelling of 3975388 in words is "three million, nine hundred seventy-five thousand, three hundred eighty-eight".