598977 has 6 divisors (see below), whose sum is σ = 865202. Its totient is φ = 399312.

The previous prime is 598973. The next prime is 598981. The reversal of 598977 is 779895.

It is an interprime number because it is at equal distance from previous prime (598973) and next prime (598981).

It can be written as a sum of positive squares in only one way, i.e., 404496 + 194481 = 636^2 + 441^2 .

It is not a de Polignac number, because 598977 - 2² = 598973 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (598973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33268 + ... + 33285.

2⁵⁹⁸⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

598977 is a deficient number, since it is larger than the sum of its proper divisors (266225).

598977 is a wasteful number, since it uses less digits than its factorization.

598977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66559 (or 66556 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 598977 is about 773.9360438693. The cubic root of 598977 is about 84.2953041714.

The spelling of 598977 in words is "five hundred ninety-eight thousand, nine hundred seventy-seven".