598021 has 8 divisors (see below), whose sum is σ = 626688. Its totient is φ = 570000.

The previous prime is 598007. The next prime is 598049. The reversal of 598021 is 120895.

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

It is a cyclic number.

It is not a de Polignac number, because 598021 - 2¹³ = 589829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (598051) 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 7 ways as a sum of consecutive naturals, for example, 3036 + ... + 3226.

It is an arithmetic number, because the mean of its divisors is an integer number (78336).

2⁵⁹⁸⁰²¹ is an apocalyptic number.

It is an amenable number.

598021 is a deficient number, since it is larger than the sum of its proper divisors (28667).

598021 is a wasteful number, since it uses less digits than its factorization.

598021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 598021 is about 773.3181751388. The cubic root of 598021 is about 84.2504336548.

The spelling of 598021 in words is "five hundred ninety-eight thousand, twenty-one".