31796090 has 16 divisors (see below), whose sum is σ = 57335040. Its totient is φ = 12695760.

The previous prime is 31796087. The next prime is 31796129. The reversal of 31796090 is 9069713.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31796090.

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, 3791 + ... + 8829.

It is an arithmetic number, because the mean of its divisors is an integer number (3583440).

Almost surely, 2^31796090 is an apocalyptic number.

31796090 is a deficient number, since it is larger than the sum of its proper divisors (25538950).

31796090 is a wasteful number, since it uses less digits than its factorization.

31796090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5677.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 31796090 is about 5638.8021777679. The cubic root of 31796090 is about 316.8044251350.

The spelling of 31796090 in words is "thirty-one million, seven hundred ninety-six thousand, ninety".