512897928 has 16 divisors (see below), whose sum is σ = 1282244880. Its totient is φ = 170965968.

The previous prime is 512897921. The next prime is 512897933. The reversal of 512897928 is 829798215.

It is not an unprimeable number, because it can be changed into a prime (512897921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10685350 + ... + 10685397.

It is an arithmetic number, because the mean of its divisors is an integer number (80140305).

Almost surely, 2^512897928 is an apocalyptic number.

It is an amenable number.

512897928 is an abundant number, since it is smaller than the sum of its proper divisors (769346952).

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

512897928 is a wasteful number, since it uses less digits than its factorization.

512897928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21370756 (or 21370752 counting only the distinct ones).

The product of its digits is 725760, while the sum is 51.

The square root of 512897928 is about 22647.2498992703. The cubic root of 512897928 is about 800.4673977044.

The spelling of 512897928 in words is "five hundred twelve million, eight hundred ninety-seven thousand, nine hundred twenty-eight".