598155 has 8 divisors (see below), whose sum is σ = 957072. Its totient is φ = 319008.

The previous prime is 598151. The next prime is 598159. The reversal of 598155 is 551895.

It is an interprime number because it is at equal distance from previous prime (598151) and next prime (598159).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 598155 - 2² = 598151 is a prime.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (598151) 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 7 ways as a sum of consecutive naturals, for example, 19924 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (119634).

2⁵⁹⁸¹⁵⁵ is an apocalyptic number.

598155 is a deficient number, since it is larger than the sum of its proper divisors (358917).

598155 is a wasteful number, since it uses less digits than its factorization.

598155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39885.

The product of its digits is 9000, while the sum is 33.

The square root of 598155 is about 773.4048099152. The cubic root of 598155 is about 84.2567259171.

Subtracting from 598155 its product of digits (9000), we obtain a triangular number (589155 = T₁₀₈₅).

The spelling of 598155 in words is "five hundred ninety-eight thousand, one hundred fifty-five".