598597 has 4 divisors (see below), whose sum is σ = 601036. Its totient is φ = 596160.

The previous prime is 598571. The next prime is 598613. The reversal of 598597 is 795895.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 795895 = 5 ⋅159179.

It can be written as a sum of positive squares in 2 ways, for example, as 231361 + 367236 = 481^2 + 606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-598597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804 + ... + 1357.

It is an arithmetic number, because the mean of its divisors is an integer number (150259).

2⁵⁹⁸⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

598597 is a deficient number, since it is larger than the sum of its proper divisors (2439).

598597 is a wasteful number, since it uses less digits than its factorization.

598597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2438.

The product of its digits is 113400, while the sum is 43.

The square root of 598597 is about 773.6905065981. The cubic root of 598597 is about 84.2774743316.

The spelling of 598597 in words is "five hundred ninety-eight thousand, five hundred ninety-seven".