879458 has 4 divisors (see below), whose sum is σ = 1319190. Its totient is φ = 439728.

The previous prime is 879457. The next prime is 879493. The reversal of 879458 is 854978.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 744769 + 134689 = 863^2 + 367^2 .

It is not an unprimeable number, because it can be changed into a prime (879457) 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 as a sum of consecutive naturals, namely, 219863 + ... + 219866.

2⁸⁷⁹⁴⁵⁸ is an apocalyptic number.

879458 is a deficient number, since it is larger than the sum of its proper divisors (439732).

879458 is a wasteful number, since it uses less digits than its factorization.

879458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439731.

The product of its digits is 80640, while the sum is 41.

The square root of 879458 is about 937.7942204983. The cubic root of 879458 is about 95.8087192404.

The spelling of 879458 in words is "eight hundred seventy-nine thousand, four hundred fifty-eight".