279801049 has 16 divisors (see below), whose sum is σ = 335278080. Its totient is φ = 230495760.

The previous prime is 279801047. The next prime is 279801061. The reversal of 279801049 is 940108972.

It is not a de Polignac number, because 279801049 - 2¹ = 279801047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (279801047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24297 + ... + 33910.

It is an arithmetic number, because the mean of its divisors is an integer number (20954880).

Almost surely, 2^279801049 is an apocalyptic number.

It is an amenable number.

279801049 is a deficient number, since it is larger than the sum of its proper divisors (55477031).

279801049 is a wasteful number, since it uses less digits than its factorization.

279801049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58260.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 279801049 is about 16727.2546761266. The cubic root of 279801049 is about 654.0582772497.

The spelling of 279801049 in words is "two hundred seventy-nine million, eight hundred one thousand, forty-nine".