79598440 has 16 divisors (see below), whose sum is σ = 179096580. Its totient is φ = 31839360.

The previous prime is 79598381. The next prime is 79598459. The reversal of 79598440 is 4489597.

It can be written as a sum of positive squares in 2 ways, for example, as 79245604 + 352836 = 8902^2 + 594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994941 + ... + 995020.

Almost surely, 2^79598440 is an apocalyptic number.

It is an amenable number.

79598440 is an abundant number, since it is smaller than the sum of its proper divisors (99498140).

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

79598440 is a wasteful number, since it uses less digits than its factorization.

79598440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989972 (or 1989968 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 79598440 is about 8921.7957833611. The cubic root of 79598440 is about 430.1647827073.

It can be divided in two parts, 795 and 98440, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 79598440 in words is "seventy-nine million, five hundred ninety-eight thousand, four hundred forty".