2308979 has 4 divisors (see below), whose sum is σ = 2318880. Its totient is φ = 2299080.

The previous prime is 2308967. The next prime is 2309003. The reversal of 2308979 is 9798032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2308979 - 2⁴ = 2308963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2308919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (579720).

2^2308979 is an apocalyptic number.

2308979 is a deficient number, since it is larger than the sum of its proper divisors (9901).

2308979 is an equidigital number, since it uses as much as digits as its factorization.

2308979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 2308979 is about 1519.5324938941. The cubic root of 2308979 is about 132.1721621048.

The spelling of 2308979 in words is "two million, three hundred eight thousand, nine hundred seventy-nine".