872460 has 72 divisors (see below), whose sum is σ = 2738736. Its totient is φ = 224640.

The previous prime is 872453. The next prime is 872471. The reversal of 872460 is 64278.

It is a super-2 number, since 2×872460² = 1522372903200, which contains 22 as substring.

It is an unprimeable number.

872460 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6595 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (38038).

2⁸⁷²⁴⁶⁰ 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 872460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369368).

872460 is an abundant number, since it is smaller than the sum of its proper divisors (1866276).

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

872460 is a wasteful number, since it uses less digits than its factorization.

872460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 178 counting only the distinct ones).

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

The square root of 872460 is about 934.0556728590. The cubic root of 872460 is about 95.5539200089.

The spelling of 872460 in words is "eight hundred seventy-two thousand, four hundred sixty".