875839 has 4 divisors (see below), whose sum is σ = 882280. Its totient is φ = 869400.

The previous prime is 875837. The next prime is 875851. The reversal of 875839 is 938578.

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 875839 - 2¹ = 875837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (875837) 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, 3012 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (220570).

2⁸⁷⁵⁸³⁹ is an apocalyptic number.

875839 is a deficient number, since it is larger than the sum of its proper divisors (6441).

875839 is a wasteful number, since it uses less digits than its factorization.

875839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440.

The product of its digits is 60480, while the sum is 40.

The square root of 875839 is about 935.8627036056. The cubic root of 875839 is about 95.6771198351.

The spelling of 875839 in words is "eight hundred seventy-five thousand, eight hundred thirty-nine".