879844 has 27 divisors (see below), whose sum is σ = 1818243. Its totient is φ = 371448.

The previous prime is 879839. The next prime is 879859. The reversal of 879844 is 448978.

The square root of 879844 is 938.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 879797 and 879806.

It is an unprimeable number.

879844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 8 ways as a sum of consecutive naturals, for example, 13099 + ... + 13165.

2⁸⁷⁹⁸⁴⁴ is an apocalyptic number.

879844 is the 938-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 879844

879844 is an abundant number, since it is smaller than the sum of its proper divisors (938399).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

879844 is a wasteful number, since it uses less digits than its factorization.

879844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 76 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The cubic root of 879844 is about 95.8227342195.

The spelling of 879844 in words is "eight hundred seventy-nine thousand, eight hundred forty-four".