921070896 has 40 divisors (see below), whose sum is σ = 2443746864. Its totient is φ = 298725120.

The previous prime is 921070883. The next prime is 921070921. The reversal of 921070896 is 698070129.

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, 257535 + ... + 261086.

Almost surely, 2^921070896 is an apocalyptic number.

It is an amenable number.

921070896 is an abundant number, since it is smaller than the sum of its proper divisors (1522675968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

921070896 is a wasteful number, since it uses less digits than its factorization.

921070896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518669 (or 518663 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 921070896 is about 30349.1498398225. The cubic root of 921070896 is about 972.9660499945.

The spelling of 921070896 in words is "nine hundred twenty-one million, seventy thousand, eight hundred ninety-six".