970917928 has 8 divisors (see below), whose sum is σ = 1820471130. Its totient is φ = 485458960.

The previous prime is 970917887. The next prime is 970917931. The reversal of 970917928 is 829719079.

It can be written as a sum of positive squares in only one way, i.e., 913127524 + 57790404 = 30218^2 + 7602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60682363 + ... + 60682378.

Almost surely, 2^970917928 is an apocalyptic number.

It is an amenable number.

970917928 is a deficient number, since it is larger than the sum of its proper divisors (849553202).

970917928 is a wasteful number, since it uses less digits than its factorization.

970917928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121364747 (or 121364743 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 52.

The square root of 970917928 is about 31159.5559660275. Note that the first 3 decimals coincide. The cubic root of 970917928 is about 990.2104535072.

The spelling of 970917928 in words is "nine hundred seventy million, nine hundred seventeen thousand, nine hundred twenty-eight".