309114980 has 24 divisors (see below), whose sum is σ = 652010688. Its totient is φ = 123099488.

The previous prime is 309114977. The next prime is 309114997. The reversal of 309114980 is 89411903.

It is a self number, because there is not a number n which added to its sum of digits gives 309114980.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29504 + ... + 38583.

It is an arithmetic number, because the mean of its divisors is an integer number (27167112).

Almost surely, 2^309114980 is an apocalyptic number.

It is an amenable number.

309114980 is an abundant number, since it is smaller than the sum of its proper divisors (342895708).

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

309114980 is a wasteful number, since it uses less digits than its factorization.

309114980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68323 (or 68321 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 309114980 is about 17581.6660188959. Note that the first 3 decimals coincide. The cubic root of 309114980 is about 676.1452747311.

The spelling of 309114980 in words is "three hundred nine million, one hundred fourteen thousand, nine hundred eighty".