872386452 has 72 divisors (see below), whose sum is σ = 2526008576. Its totient is φ = 248681664.

The previous prime is 872386373. The next prime is 872386477. The reversal of 872386452 is 254683278.

It is a super-2 number, since 2×872386452² = 1522116243266296608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 872386398 and 872386407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112938 + ... + 120414.

Almost surely, 2^872386452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872386452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263004288).

872386452 is an abundant number, since it is smaller than the sum of its proper divisors (1653622124).

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

872386452 is a wasteful number, since it uses less digits than its factorization.

872386452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7957 (or 7952 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 872386452 is about 29536.1888536758. The cubic root of 872386452 is about 955.5123488206.

The spelling of 872386452 in words is "eight hundred seventy-two million, three hundred eighty-six thousand, four hundred fifty-two".