598398 has 8 divisors (see below), whose sum is σ = 1196808. Its totient is φ = 199464.

The previous prime is 598387. The next prime is 598399. The reversal of 598398 is 893895.

598398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

598398 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 598398.

It is not an unprimeable number, because it can be changed into a prime (598399) by changing a digit.

598398 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 3 ways as a sum of consecutive naturals, for example, 49861 + ... + 49872.

It is an arithmetic number, because the mean of its divisors is an integer number (149601).

2⁵⁹⁸³⁹⁸ is an apocalyptic number.

598398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

598398 is a wasteful number, since it uses less digits than its factorization.

598398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99738.

The product of its digits is 77760, while the sum is 42.

The square root of 598398 is about 773.5618915122. The cubic root of 598398 is about 84.2681341154.

The spelling of 598398 in words is "five hundred ninety-eight thousand, three hundred ninety-eight".