5598431988 has 12 divisors (see below), whose sum is σ = 13063008000. Its totient is φ = 1866143992.

The previous prime is 5598431957. The next prime is 5598431989. The reversal of 5598431988 is 8891348955.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5598431989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233267988 + ... + 233268011.

It is an arithmetic number, because the mean of its divisors is an integer number (1088584000).

Almost surely, 2^5598431988 is an apocalyptic number.

It is an amenable number.

5598431988 is an abundant number, since it is smaller than the sum of its proper divisors (7464576012).

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

5598431988 is a wasteful number, since it uses less digits than its factorization.

5598431988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466536006 (or 466536004 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 60.

The square root of 5598431988 is about 74822.6702811387. The cubic root of 5598431988 is about 1775.6422446645.

The spelling of 5598431988 in words is "five billion, five hundred ninety-eight million, four hundred thirty-one thousand, nine hundred eighty-eight".