598890 has 16 divisors (see below), whose sum is σ = 1437408. Its totient is φ = 159696.

The previous prime is 598883. The next prime is 598891. The reversal of 598890 is 98895.

It is not an unprimeable number, because it can be changed into a prime (598891) by changing a digit.

598890 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9952 + ... + 10011.

It is an arithmetic number, because the mean of its divisors is an integer number (89838).

2⁵⁹⁸⁸⁹⁰ is an apocalyptic number.

598890 is an abundant number, since it is smaller than the sum of its proper divisors (838518).

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

598890 is a wasteful number, since it uses less digits than its factorization.

598890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19973.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 598890 is about 773.8798356334. The cubic root of 598890 is about 84.2912227423.

The spelling of 598890 in words is "five hundred ninety-eight thousand, eight hundred ninety".