872504 has 8 divisors (see below), whose sum is σ = 1635960. Its totient is φ = 436248.

The previous prime is 872479. The next prime is 872533. The reversal of 872504 is 405278.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×872504² = 1522526460032, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54524 + ... + 54539.

It is an arithmetic number, because the mean of its divisors is an integer number (204495).

2⁸⁷²⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

872504 is a deficient number, since it is larger than the sum of its proper divisors (763456).

872504 is a wasteful number, since it uses less digits than its factorization.

872504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109069 (or 109065 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 872504 is about 934.0792257619. The cubic root of 872504 is about 95.5555263105. Note that the first 4 decimals are identical.

The spelling of 872504 in words is "eight hundred seventy-two thousand, five hundred four".