872239 has 8 divisors (see below), whose sum is σ = 902720. Its totient is φ = 842400.

The previous prime is 872237. The next prime is 872243. The reversal of 872239 is 932278.

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

It is a cyclic number.

It is not a de Polignac number, because 872239 - 2¹ = 872237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 872239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872231) 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 7 ways as a sum of consecutive naturals, for example, 4729 + ... + 4909.

It is an arithmetic number, because the mean of its divisors is an integer number (112840).

2⁸⁷²²³⁹ is an apocalyptic number.

872239 is a deficient number, since it is larger than the sum of its proper divisors (30481).

872239 is a wasteful number, since it uses less digits than its factorization.

872239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 6048, while the sum is 31.

The square root of 872239 is about 933.9373640668. The cubic root of 872239 is about 95.5458511768.

It can be divided in two parts, 872 and 239, that added together give a palindrome (1111).

The spelling of 872239 in words is "eight hundred seventy-two thousand, two hundred thirty-nine".