3931442 has 16 divisors (see below), whose sum is σ = 6246240. Its totient is φ = 1850688.

The previous prime is 3931439. The next prime is 3931457. The reversal of 3931442 is 2441393.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11498 + ... + 11834.

It is an arithmetic number, because the mean of its divisors is an integer number (390390).

Almost surely, 2^3931442 is an apocalyptic number.

3931442 is a deficient number, since it is larger than the sum of its proper divisors (2314798).

3931442 is a wasteful number, since it uses less digits than its factorization.

3931442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its digits is 2592, while the sum is 26.

The square root of 3931442 is about 1982.7864231934. The cubic root of 3931442 is about 157.8279652916.

The spelling of 3931442 in words is "three million, nine hundred thirty-one thousand, four hundred forty-two".