654998928 has 20 divisors (see below), whose sum is σ = 1692080688. Its totient is φ = 218332960.

The previous prime is 654998923. The next prime is 654998947. The reversal of 654998928 is 829899456.

It is a super-2 number, since 2×654998928² = 858047191362298368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654998921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6822858 + ... + 6822953.

Almost surely, 2^654998928 is an apocalyptic number.

It is an amenable number.

654998928 is an abundant number, since it is smaller than the sum of its proper divisors (1037081760).

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

654998928 is a wasteful number, since it uses less digits than its factorization.

654998928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13645822 (or 13645816 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 60.

The square root of 654998928 is about 25592.9468408779. The cubic root of 654998928 is about 868.4540864886.

The spelling of 654998928 in words is "six hundred fifty-four million, nine hundred ninety-eight thousand, nine hundred twenty-eight".