872491596 has 24 divisors (see below), whose sum is σ = 2036535984. Its totient is φ = 290727360.

The previous prime is 872491583. The next prime is 872491619. The reversal of 872491596 is 695194278.

It is a super-4 number, since 4×872491596⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27366 + ... + 49938.

It is an arithmetic number, because the mean of its divisors is an integer number (84855666).

Almost surely, 2^872491596 is an apocalyptic number.

It is an amenable number.

872491596 is an abundant number, since it is smaller than the sum of its proper divisors (1164044388).

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

872491596 is a wasteful number, since it uses less digits than its factorization.

872491596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25801 (or 25799 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 872491596 is about 29537.9687182447. The cubic root of 872491596 is about 955.5507348494.

The spelling of 872491596 in words is "eight hundred seventy-two million, four hundred ninety-one thousand, five hundred ninety-six".