249114979 has 8 divisors (see below), whose sum is σ = 250670160. Its totient is φ = 247564416.

The previous prime is 249114973. The next prime is 249114989. The reversal of 249114979 is 979411942.

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

It is a cyclic number.

It is not a de Polignac number, because 249114979 - 2¹⁷ = 248983907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249114973) 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, 220087 + ... + 221215.

It is an arithmetic number, because the mean of its divisors is an integer number (31333770).

Almost surely, 2^249114979 is an apocalyptic number.

249114979 is a deficient number, since it is larger than the sum of its proper divisors (1555181).

249114979 is a wasteful number, since it uses less digits than its factorization.

249114979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its digits is 163296, while the sum is 46.

The square root of 249114979 is about 15783.3766666072. The cubic root of 249114979 is about 629.2162749612.

It can be divided in two parts, 24911 and 4979, that added together give a triangular number (29890 = T₂₄₄).

The spelling of 249114979 in words is "two hundred forty-nine million, one hundred fourteen thousand, nine hundred seventy-nine".