875842 has 16 divisors (see below), whose sum is σ = 1469664. Its totient is φ = 388000.

The previous prime is 875837. The next prime is 875851. The reversal of 875842 is 248578.

875842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 875798 and 875807.

It is an unprimeable number.

875842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 1387.

It is an arithmetic number, because the mean of its divisors is an integer number (91854).

2⁸⁷⁵⁸⁴² is an apocalyptic number.

875842 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

875842 is a deficient number, since it is larger than the sum of its proper divisors (593822).

875842 is a wasteful number, since it uses less digits than its factorization.

875842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025.

The product of its digits is 17920, while the sum is 34.

The square root of 875842 is about 935.8643064034. The cubic root of 875842 is about 95.6772290755.

Subtracting from 875842 its reverse (248578), we obtain a square (627264 = 792²).

It can be divided in two parts, 87 and 5842, that added together give a square (5929 = 77²).

The spelling of 875842 in words is "eight hundred seventy-five thousand, eight hundred forty-two".