872415192 has 64 divisors (see below), whose sum is σ = 2424245760. Its totient is φ = 259376000.

The previous prime is 872415161. The next prime is 872415211. The reversal of 872415192 is 291514278.

It is a super-2 number, since 2×872415192² = 1522216534464793728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 872415192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17184 + ... + 45167.

It is an arithmetic number, because the mean of its divisors is an integer number (37878840).

Almost surely, 2^872415192 is an apocalyptic number.

It is an amenable number.

872415192 is an abundant number, since it is smaller than the sum of its proper divisors (1551830568).

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

872415192 is a wasteful number, since it uses less digits than its factorization.

872415192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62424 (or 62420 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 872415192 is about 29536.6753714767. The cubic root of 872415192 is about 955.5228415417.

The spelling of 872415192 in words is "eight hundred seventy-two million, four hundred fifteen thousand, one hundred ninety-two".