872604 has 18 divisors (see below), whose sum is σ = 2205840. Its totient is φ = 290856.

The previous prime is 872587. The next prime is 872609. The reversal of 872604 is 406278.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×872604² = 1522875481632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872609) 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, 12084 + ... + 12155.

2⁸⁷²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

872604 is an abundant number, since it is smaller than the sum of its proper divisors (1333236).

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

872604 is a wasteful number, since it uses less digits than its factorization.

872604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24249 (or 24244 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 872604 is about 934.1327528783. The cubic root of 872604 is about 95.5591767952.

The spelling of 872604 in words is "eight hundred seventy-two thousand, six hundred four".