3974931 has 12 divisors (see below), whose sum is σ = 5864352. Its totient is φ = 2593296.

The previous prime is 3974921. The next prime is 3974939. The reversal of 3974931 is 1394793.

It is not a de Polignac number, because 3974931 - 2⁹ = 3974419 is a prime.

It is a super-2 number, since 2×3974931² = 31600152909522, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3974939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4276 + ... + 5121.

It is an arithmetic number, because the mean of its divisors is an integer number (488696).

Almost surely, 2^3974931 is an apocalyptic number.

3974931 is a deficient number, since it is larger than the sum of its proper divisors (1889421).

3974931 is a wasteful number, since it uses less digits than its factorization.

3974931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450 (or 9447 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 3974931 is about 1993.7228995023. The cubic root of 3974931 is about 158.4077886819.

The spelling of 3974931 in words is "three million, nine hundred seventy-four thousand, nine hundred thirty-one".