872039 has 4 divisors (see below), whose sum is σ = 996624. Its totient is φ = 747456.

The previous prime is 872033. The next prime is 872041. The reversal of 872039 is 930278.

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

It is a cyclic number.

It is not a de Polignac number, because 872039 - 2⁴ = 872023 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62282 + ... + 62295.

It is an arithmetic number, because the mean of its divisors is an integer number (249156).

2⁸⁷²⁰³⁹ is an apocalyptic number.

872039 is a deficient number, since it is larger than the sum of its proper divisors (124585).

872039 is a wasteful number, since it uses less digits than its factorization.

872039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124584.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 872039 is about 933.8302843665. The cubic root of 872039 is about 95.5385478914.

The spelling of 872039 in words is "eight hundred seventy-two thousand, thirty-nine".