879994 has 8 divisors (see below), whose sum is σ = 1329300. Its totient is φ = 436896.

The previous prime is 879979. The next prime is 880001. The reversal of 879994 is 499978.

It can be written as a sum of positive squares in 2 ways, for example, as 877969 + 2025 = 937^2 + 45^2 .

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

It is a d-powerful number, because it can be written as 8⁵ + 7⁷ + 9 + 9³ + 9⁴ + 4⁷ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179 + ... + 1774.

2⁸⁷⁹⁹⁹⁴ is an apocalyptic number.

879994 is a deficient number, since it is larger than the sum of its proper divisors (449306).

879994 is a wasteful number, since it uses less digits than its factorization.

879994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104.

The product of its digits is 163296, while the sum is 46.

The square root of 879994 is about 938.0799539485. The cubic root of 879994 is about 95.8281793489.

Adding to 879994 its product of digits (163296), we get a triangular number (1043290 = T₁₄₄₄).

The spelling of 879994 in words is "eight hundred seventy-nine thousand, nine hundred ninety-four".