598631 has 4 divisors (see below), whose sum is σ = 653064. Its totient is φ = 544200.

The previous prime is 598613. The next prime is 598643. The reversal of 598631 is 136895.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 598631 - 2¹⁴ = 582247 is a prime.

It is a super-2 number, since 2×598631² = 716718148322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598651) 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, 27200 + ... + 27221.

It is an arithmetic number, because the mean of its divisors is an integer number (163266).

2⁵⁹⁸⁶³¹ is an apocalyptic number.

598631 is a deficient number, since it is larger than the sum of its proper divisors (54433).

598631 is a wasteful number, since it uses less digits than its factorization.

598631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54432.

The product of its digits is 6480, while the sum is 32.

The square root of 598631 is about 773.7124788964. The cubic root of 598631 is about 84.2790699404.

The spelling of 598631 in words is "five hundred ninety-eight thousand, six hundred thirty-one".