604657998 has 48 divisors (see below), whose sum is σ = 1511817216. Its totient is φ = 171078480.

The previous prime is 604657997. The next prime is 604658003. The reversal of 604657998 is 899756406.

604657998 is a `hidden beast` number, since 60 + 4 + 6 + 579 + 9 + 8 = 666.

It is a super-2 number, since 2×604657998² = 731222589090736008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604657997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10318 + ... + 36273.

It is an arithmetic number, because the mean of its divisors is an integer number (31496192).

Almost surely, 2^604657998 is an apocalyptic number.

604657998 is an abundant number, since it is smaller than the sum of its proper divisors (907159218).

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

604657998 is a wasteful number, since it uses less digits than its factorization.

604657998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46709 (or 46706 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 604657998 is about 24589.7945904393. The cubic root of 604657998 is about 845.6096567866.

The spelling of 604657998 in words is "six hundred four million, six hundred fifty-seven thousand, nine hundred ninety-eight".