873239 has 8 divisors (see below), whose sum is σ = 955008. Its totient is φ = 794880.

The previous prime is 873209. The next prime is 873247. The reversal of 873239 is 932378.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873239 is a prime.

It is a super-2 number, since 2×873239² = 1525092702242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873209) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 302 + ... + 1355.

It is an arithmetic number, because the mean of its divisors is an integer number (119376).

2⁸⁷³²³⁹ is an apocalyptic number.

873239 is a deficient number, since it is larger than the sum of its proper divisors (81769).

873239 is a wasteful number, since it uses less digits than its factorization.

873239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705.

The product of its digits is 9072, while the sum is 32.

The square root of 873239 is about 934.4725785169. The cubic root of 873239 is about 95.5823508674.

The spelling of 873239 in words is "eight hundred seventy-three thousand, two hundred thirty-nine".