279459 has 6 divisors (see below), whose sum is σ = 403676. Its totient is φ = 186300.

The previous prime is 279451. The next prime is 279479. The reversal of 279459 is 954972.

It is not a de Polignac number, because 279459 - 2³ = 279451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15517 + ... + 15534.

2²⁷⁹⁴⁵⁹ is an apocalyptic number.

279459 is a deficient number, since it is larger than the sum of its proper divisors (124217).

279459 is a wasteful number, since it uses less digits than its factorization.

279459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31057 (or 31054 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 279459 is about 528.6388180980. The cubic root of 279459 is about 65.3791645886.

The spelling of 279459 in words is "two hundred seventy-nine thousand, four hundred fifty-nine".