31494904 has 16 divisors (see below), whose sum is σ = 67489200. Its totient is φ = 13497792.

The previous prime is 31494887. The next prime is 31494907. The reversal of 31494904 is 40949413.

It is a self number, because there is not a number n which added to its sum of digits gives 31494904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31494907) 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, 281149 + ... + 281260.

It is an arithmetic number, because the mean of its divisors is an integer number (4218075).

Almost surely, 2^31494904 is an apocalyptic number.

It is an amenable number.

31494904 is an abundant number, since it is smaller than the sum of its proper divisors (35994296).

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

31494904 is a wasteful number, since it uses less digits than its factorization.

31494904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562422 (or 562418 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 31494904 is about 5612.0320740352. The cubic root of 31494904 is about 315.8009481873.

The spelling of 31494904 in words is "thirty-one million, four hundred ninety-four thousand, nine hundred four".