279848 has 8 divisors (see below), whose sum is σ = 524730. Its totient is φ = 139920.

The previous prime is 279847. The next prime is 279857. The reversal of 279848 is 848972.

It can be written as a sum of positive squares in only one way, i.e., 232324 + 47524 = 482^2 + 218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nialpdrome in base 6.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 279848.

It is not an unprimeable number, because it can be changed into a prime (279847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17483 + ... + 17498.

279848 is a Friedman number, since it can be written as (9*4)^(7/2)-88, using all its digits and the basic arithmetic operations.

2²⁷⁹⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

279848 is a deficient number, since it is larger than the sum of its proper divisors (244882).

279848 is a wasteful number, since it uses less digits than its factorization.

279848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34987 (or 34983 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The square root of 279848 is about 529.0066162157. The cubic root of 279848 is about 65.4094859162.

The spelling of 279848 in words is "two hundred seventy-nine thousand, eight hundred forty-eight".