872658 has 12 divisors (see below), whose sum is σ = 1890798. Its totient is φ = 290880.

The previous prime is 872657. The next prime is 872659. The reversal of 872658 is 856278.

It is an interprime number because it is at equal distance from previous prime (872657) and next prime (872659).

It can be written as a sum of positive squares in only one way, i.e., 471969 + 400689 = 687^2 + 633^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24223 + ... + 24258.

2⁸⁷²⁶⁵⁸ is an apocalyptic number.

872658 is an abundant number, since it is smaller than the sum of its proper divisors (1018140).

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

872658 is a wasteful number, since it uses less digits than its factorization.

872658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48489 (or 48486 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 872658 is about 934.1616562459. The cubic root of 872658 is about 95.5611479410.

The spelling of 872658 in words is "eight hundred seventy-two thousand, six hundred fifty-eight".