31794961 has 16 divisors (see below), whose sum is σ = 36792000. Its totient is φ = 27172800.

The previous prime is 31794953. The next prime is 31794989. The reversal of 31794961 is 16949713.

It is a cyclic number.

It is not a de Polignac number, because 31794961 - 2³ = 31794953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31794911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30631 + ... + 31651.

It is an arithmetic number, because the mean of its divisors is an integer number (2299500).

Almost surely, 2^31794961 is an apocalyptic number.

It is an amenable number.

31794961 is a deficient number, since it is larger than the sum of its proper divisors (4997039).

31794961 is a wasteful number, since it uses less digits than its factorization.

31794961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 40824, while the sum is 40.

The square root of 31794961 is about 5638.7020669654. The cubic root of 31794961 is about 316.8006754452.

The spelling of 31794961 in words is "thirty-one million, seven hundred ninety-four thousand, nine hundred sixty-one".