279081 has 12 divisors (see below), whose sum is σ = 439920. Its totient is φ = 169080.

The previous prime is 279073. The next prime is 279109. The reversal of 279081 is 180972.

It is not a de Polignac number, because 279081 - 2³ = 279073 is a prime.

It is a super-2 number, since 2×279081² = 155772409122, which contains 22 as substring.

279081 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 279081.

It is not an unprimeable number, because it can be changed into a prime (279001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1311 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (36660).

2²⁷⁹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

279081 is a deficient number, since it is larger than the sum of its proper divisors (160839).

279081 is a wasteful number, since it uses less digits than its factorization.

279081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 279081 is about 528.2811751331. The cubic root of 279081 is about 65.3496737091.

The spelling of 279081 in words is "two hundred seventy-nine thousand, eighty-one".