598420 has 12 divisors (see below), whose sum is σ = 1256724. Its totient is φ = 239360.

The previous prime is 598399. The next prime is 598421. The reversal of 598420 is 24895.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 300304 = 546^2 + 548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598421) 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 3 ways as a sum of consecutive naturals, for example, 14941 + ... + 14980.

It is an arithmetic number, because the mean of its divisors is an integer number (104727).

2⁵⁹⁸⁴²⁰ is an apocalyptic number.

It is an amenable number.

598420 is an abundant number, since it is smaller than the sum of its proper divisors (658304).

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

598420 is a wasteful number, since it uses less digits than its factorization.

598420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29930 (or 29928 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 598420 is about 773.5761113168. The cubic root of 598420 is about 84.2691668039.

The spelling of 598420 in words is "five hundred ninety-eight thousand, four hundred twenty".