920734961 has 16 divisors (see below), whose sum is σ = 945955584. Its totient is φ = 895985664.

The previous prime is 920734951. The next prime is 920734979. The reversal of 920734961 is 169437029.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920734961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (920734931) 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, 1830236 + ... + 1830738.

It is an arithmetic number, because the mean of its divisors is an integer number (59122224).

Almost surely, 2^920734961 is an apocalyptic number.

It is an amenable number.

920734961 is a deficient number, since it is larger than the sum of its proper divisors (25220623).

920734961 is a wasteful number, since it uses less digits than its factorization.

920734961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 920734961 is about 30343.6148308009. The cubic root of 920734961 is about 972.8477481727.

The spelling of 920734961 in words is "nine hundred twenty million, seven hundred thirty-four thousand, nine hundred sixty-one".