920488864 has 12 divisors (see below), whose sum is σ = 1812212514. Its totient is φ = 460244416.

The previous prime is 920488837. The next prime is 920488871. The reversal of 920488864 is 468884029.

It can be written as a sum of positive squares in only one way, i.e., 691269264 + 229219600 = 26292^2 + 15140^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14382607 + ... + 14382670.

Almost surely, 2^920488864 is an apocalyptic number.

It is an amenable number.

920488864 is a deficient number, since it is larger than the sum of its proper divisors (891723650).

920488864 is a wasteful number, since it uses less digits than its factorization.

920488864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28765287 (or 28765279 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 920488864 is about 30339.5593903405. The cubic root of 920488864 is about 972.7610651582.

The spelling of 920488864 in words is "nine hundred twenty million, four hundred eighty-eight thousand, eight hundred sixty-four".