872361408 has 28 divisors (see below), whose sum is σ = 2308123400. Its totient is φ = 290787072.

The previous prime is 872361389. The next prime is 872361439. The reversal of 872361408 is 804163278.

It is a super-2 number, since 2×872361408² = 1522028852335484928, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2271583 + ... + 2271966.

Almost surely, 2^872361408 is an apocalyptic number.

It is an amenable number.

872361408 is an abundant number, since it is smaller than the sum of its proper divisors (1435761992).

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

872361408 is a wasteful number, since it uses less digits than its factorization.

872361408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543564 (or 4543554 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 872361408 is about 29535.7648961391. The cubic root of 872361408 is about 955.5032052886.

The spelling of 872361408 in words is "eight hundred seventy-two million, three hundred sixty-one thousand, four hundred eight".