872299 has 4 divisors (see below), whose sum is σ = 874336. Its totient is φ = 870264.

The previous prime is 872281. The next prime is 872317. The reversal of 872299 is 992278.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (872281) and next prime (872317).

It is a cyclic number.

It is not a de Polignac number, because 872299 - 2¹³ = 864107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99 + ... + 1324.

It is an arithmetic number, because the mean of its divisors is an integer number (218584).

2⁸⁷²²⁹⁹ is an apocalyptic number.

872299 is a deficient number, since it is larger than the sum of its proper divisors (2037).

872299 is a wasteful number, since it uses less digits than its factorization.

872299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its digits is 18144, while the sum is 37.

The square root of 872299 is about 933.9694855829. The cubic root of 872299 is about 95.5480419447.

The spelling of 872299 in words is "eight hundred seventy-two thousand, two hundred ninety-nine".