5598021 has 16 divisors (see below), whose sum is σ = 8769600. Its totient is φ = 3131520.

The previous prime is 5598013. The next prime is 5598059. The reversal of 5598021 is 1208955.

It is not a de Polignac number, because 5598021 - 2³ = 5598013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5598021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5598001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6096 + ... + 6953.

It is an arithmetic number, because the mean of its divisors is an integer number (548100).

Almost surely, 2^5598021 is an apocalyptic number.

It is an amenable number.

5598021 is a deficient number, since it is larger than the sum of its proper divisors (3171579).

5598021 is a wasteful number, since it uses less digits than its factorization.

5598021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13076.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 5598021 is about 2366.0137362239. The cubic root of 5598021 is about 177.5598792884.

The spelling of 5598021 in words is "five million, five hundred ninety-eight thousand, twenty-one".