279471 has 8 divisors (see below), whose sum is σ = 392320. Its totient is φ = 176472.

The previous prime is 279451. The next prime is 279479. The reversal of 279471 is 174972.

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

It is not a de Polignac number, because 279471 - 2⁶ = 279407 is a prime.

It is a super-3 number, since 3×279471³ = 65483442355212333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 279471.

It is not an unprimeable number, because it can be changed into a prime (279479) 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, 2395 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (49040).

2²⁷⁹⁴⁷¹ is an apocalyptic number.

279471 is a deficient number, since it is larger than the sum of its proper divisors (112849).

279471 is a wasteful number, since it uses less digits than its factorization.

279471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4925.

The product of its digits is 3528, while the sum is 30.

The square root of 279471 is about 528.6501678804. The cubic root of 279471 is about 65.3801003714.

The spelling of 279471 in words is "two hundred seventy-nine thousand, four hundred seventy-one".