879442 has 8 divisors (see below), whose sum is σ = 1339056. Its totient is φ = 433092.

The previous prime is 879413. The next prime is 879449. The reversal of 879442 is 244978.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 879398 and 879407.

It is not an unprimeable number, because it can be changed into a prime (879449) 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 3 ways as a sum of consecutive naturals, for example, 3148 + ... + 3415.

It is an arithmetic number, because the mean of its divisors is an integer number (167382).

2⁸⁷⁹⁴⁴² is an apocalyptic number.

879442 is a deficient number, since it is larger than the sum of its proper divisors (459614).

879442 is a wasteful number, since it uses less digits than its factorization.

879442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6632.

The product of its digits is 16128, while the sum is 34.

The square root of 879442 is about 937.7856898034. The cubic root of 879442 is about 95.8081382202.

It can be divided in two parts, 8794 and 42, that added together give a square (8836 = 94²).

The spelling of 879442 in words is "eight hundred seventy-nine thousand, four hundred forty-two".