31296404 has 12 divisors (see below), whose sum is σ = 54964224. Its totient is φ = 15592344.

The previous prime is 31296383. The next prime is 31296427. The reversal of 31296404 is 40469213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12692 + ... + 14955.

It is an arithmetic number, because the mean of its divisors is an integer number (4580352).

Almost surely, 2^31296404 is an apocalyptic number.

It is an amenable number.

31296404 is a deficient number, since it is larger than the sum of its proper divisors (23667820).

31296404 is a wasteful number, since it uses less digits than its factorization.

31296404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27934 (or 27932 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 31296404 is about 5594.3189040311. The cubic root of 31296404 is about 315.1360930372.

The spelling of 31296404 in words is "thirty-one million, two hundred ninety-six thousand, four hundred four".