872499 has 8 divisors (see below), whose sum is σ = 1224640. Its totient is φ = 551016.

The previous prime is 872479. The next prime is 872533. The reversal of 872499 is 994278.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 872499 - 2⁸ = 872243 is a prime.

It is a super-2 number, since 2×872499² = 1522509010002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7597 + ... + 7710.

It is an arithmetic number, because the mean of its divisors is an integer number (153080).

2⁸⁷²⁴⁹⁹ is an apocalyptic number.

872499 is a deficient number, since it is larger than the sum of its proper divisors (352141).

872499 is a wasteful number, since it uses less digits than its factorization.

872499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329.

The product of its digits is 36288, while the sum is 39.

The square root of 872499 is about 934.0765493256. The cubic root of 872499 is about 95.5553437790. Note that the first 3 decimals are identical.

The spelling of 872499 in words is "eight hundred seventy-two thousand, four hundred ninety-nine".