872634 has 32 divisors (see below), whose sum is σ = 2027520. Its totient is φ = 245232.

The previous prime is 872623. The next prime is 872647. The reversal of 872634 is 436278.

872634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×872634² = 1522980195912, which contains 22 as substring.

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, 3187 + ... + 3449.

It is an arithmetic number, because the mean of its divisors is an integer number (63360).

2⁸⁷²⁶³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013760).

872634 is an abundant number, since it is smaller than the sum of its proper divisors (1154886).

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

872634 is a wasteful number, since it uses less digits than its factorization.

872634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its digits is 8064, while the sum is 30.

The square root of 872634 is about 934.1488104151. The cubic root of 872634 is about 95.5602718863.

The spelling of 872634 in words is "eight hundred seventy-two thousand, six hundred thirty-four".