598660 has 24 divisors (see below), whose sum is σ = 1292760. Its totient is φ = 232704.

The previous prime is 598657. The next prime is 598669. The reversal of 598660 is 66895.

It can be written as a sum of positive squares in 4 ways, for example, as 287296 + 311364 = 536^2 + 558^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (598669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2⁵⁹⁸⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 598660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646380).

598660 is an abundant number, since it is smaller than the sum of its proper divisors (694100).

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

598660 is a wasteful number, since it uses less digits than its factorization.

598660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 598660 is about 773.7312194813. The cubic root of 598660 is about 84.2804308531.

The spelling of 598660 in words is "five hundred ninety-eight thousand, six hundred sixty".