879438 has 16 divisors (see below), whose sum is σ = 2010240. Its totient is φ = 251256.

The previous prime is 879413. The next prime is 879449. The reversal of 879438 is 834978.

It is a super-2 number, since 2×879438² = 1546822391688, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 879396 and 879405.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 879438.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10428 + ... + 10511.

It is an arithmetic number, because the mean of its divisors is an integer number (125640).

2⁸⁷⁹⁴³⁸ is an apocalyptic number.

879438 is an abundant number, since it is smaller than the sum of its proper divisors (1130802).

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

879438 is a wasteful number, since it uses less digits than its factorization.

879438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20951.

The product of its digits is 48384, while the sum is 39.

The square root of 879438 is about 937.7835571175. The cubic root of 879438 is about 95.8079929640.

The spelling of 879438 in words is "eight hundred seventy-nine thousand, four hundred thirty-eight".