872162406 has 12 divisors (see below), whose sum is σ = 1889685252. Its totient is φ = 290720796.

The previous prime is 872162359. The next prime is 872162419. The reversal of 872162406 is 604261278.

872162406 is a `hidden beast` number, since 8 + 7 + 21 + 624 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24226716 + ... + 24226751.

It is an arithmetic number, because the mean of its divisors is an integer number (157473771).

Almost surely, 2^872162406 is an apocalyptic number.

872162406 is an abundant number, since it is smaller than the sum of its proper divisors (1017522846).

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

872162406 is a wasteful number, since it uses less digits than its factorization.

872162406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48453475 (or 48453472 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 872162406 is about 29532.3958730070. The cubic root of 872162406 is about 955.4305436953.

The spelling of 872162406 in words is "eight hundred seventy-two million, one hundred sixty-two thousand, four hundred six".