598995 has 48 divisors (see below), whose sum is σ = 1179360. Its totient is φ = 290304.

The previous prime is 598987. The next prime is 598999. The reversal of 598995 is 599895.

598995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 598995 - 2³ = 598987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (145800) is a multiple of the sum of its prime divisors (54).

It is a self number, because there is not a number n which added to its sum of digits gives 598995.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598999) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20641 + ... + 20669.

It is an arithmetic number, because the mean of its divisors is an integer number (24570).

2⁵⁹⁸⁹⁹⁵ is an apocalyptic number.

598995 is a deficient number, since it is larger than the sum of its proper divisors (580365).

598995 is a wasteful number, since it uses less digits than its factorization.

598995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 54 counting only the distinct ones).

The product of its digits is 145800, while the sum is 45.

The square root of 598995 is about 773.9476726498. The cubic root of 598995 is about 84.2961485557.

Subtracting 598995 from its reverse (599895), we obtain a square (900 = 30²).

It can be divided in two parts, 5989 and 95, that added together give a square (6084 = 78²).

The spelling of 598995 in words is "five hundred ninety-eight thousand, nine hundred ninety-five".