279455 has 8 divisors (see below), whose sum is σ = 365904. Its totient is φ = 203200.

The previous prime is 279451. The next prime is 279479. The reversal of 279455 is 554972.

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

It is not a de Polignac number, because 279455 - 2² = 279451 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 2595.

It is an arithmetic number, because the mean of its divisors is an integer number (45738).

2²⁷⁹⁴⁵⁵ is an apocalyptic number.

279455 is a deficient number, since it is larger than the sum of its proper divisors (86449).

279455 is a wasteful number, since it uses less digits than its factorization.

279455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097.

The product of its digits is 12600, while the sum is 32.

The square root of 279455 is about 528.6350347830. The cubic root of 279455 is about 65.3788526551.

The spelling of 279455 in words is "two hundred seventy-nine thousand, four hundred fifty-five".