3931242 has 16 divisors (see below), whose sum is σ = 8985792. Its totient is φ = 1123200.

The previous prime is 3931241. The next prime is 3931247. The reversal of 3931242 is 2421393.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3931241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46759 + ... + 46842.

It is an arithmetic number, because the mean of its divisors is an integer number (561612).

Almost surely, 2^3931242 is an apocalyptic number.

3931242 is an abundant number, since it is smaller than the sum of its proper divisors (5054550).

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

3931242 is a wasteful number, since it uses less digits than its factorization.

3931242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93613.

The product of its digits is 1296, while the sum is 24.

The square root of 3931242 is about 1982.7359884765. The cubic root of 3931242 is about 157.8252889090.

The spelling of 3931242 in words is "three million, nine hundred thirty-one thousand, two hundred forty-two".