598530 has 32 divisors (see below), whose sum is σ = 1461888. Its totient is φ = 156800.

The previous prime is 598501. The next prime is 598537. The reversal of 598530 is 35895.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 598530.

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 (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1990 + ... + 2270.

It is an arithmetic number, because the mean of its divisors is an integer number (45684).

2⁵⁹⁸⁵³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 598530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (730944).

598530 is an abundant number, since it is smaller than the sum of its proper divisors (863358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

598530 is a wasteful number, since it uses less digits than its factorization.

598530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 598530 is about 773.6472064190. The cubic root of 598530 is about 84.2743298669.

It can be divided in two parts, 598 and 530, that added together give a triangular number (1128 = T₄₇).

The spelling of 598530 in words is "five hundred ninety-eight thousand, five hundred thirty".