279898428 has 12 divisors (see below), whose sum is σ = 653096360. Its totient is φ = 93299472.

The previous prime is 279898427. The next prime is 279898429. The reversal of 279898428 is 824898972.

It is an interprime number because it is at equal distance from previous prime (279898427) and next prime (279898429).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (279898427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11662423 + ... + 11662446.

Almost surely, 2^279898428 is an apocalyptic number.

It is an amenable number.

279898428 is an abundant number, since it is smaller than the sum of its proper divisors (373197932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

279898428 is a wasteful number, since it uses less digits than its factorization.

279898428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23324876 (or 23324874 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 57.

The square root of 279898428 is about 16730.1652113779. The cubic root of 279898428 is about 654.1341456257.

The spelling of 279898428 in words is "two hundred seventy-nine million, eight hundred ninety-eight thousand, four hundred twenty-eight".