872915 has 4 divisors (see below), whose sum is σ = 1047504. Its totient is φ = 698328.

The previous prime is 872863. The next prime is 872923. The reversal of 872915 is 519278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 519278 = 2 ⋅259639.

It is a cyclic number.

It is not a de Polignac number, because 872915 - 2⁸ = 872659 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 872915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87287 + ... + 87296.

It is an arithmetic number, because the mean of its divisors is an integer number (261876).

2⁸⁷²⁹¹⁵ is an apocalyptic number.

872915 is a deficient number, since it is larger than the sum of its proper divisors (174589).

872915 is a wasteful number, since it uses less digits than its factorization.

872915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174588.

The product of its digits is 5040, while the sum is 32.

The square root of 872915 is about 934.2992026112. The cubic root of 872915 is about 95.5705280206.

The spelling of 872915 in words is "eight hundred seventy-two thousand, nine hundred fifteen".