309913104 has 40 divisors (see below), whose sum is σ = 842748640. Its totient is φ = 97867008.

The previous prime is 309913091. The next prime is 309913141. The reversal of 309913104 is 401319903.

It is a super-2 number, since 2×309913104² = 192092264061829632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168997 + ... + 170820.

It is an arithmetic number, because the mean of its divisors is an integer number (21068716).

Almost surely, 2^309913104 is an apocalyptic number.

It is an amenable number.

309913104 is an abundant number, since it is smaller than the sum of its proper divisors (532835536).

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

309913104 is a wasteful number, since it uses less digits than its factorization.

309913104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339847 (or 339841 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 309913104 is about 17604.3490081286. The cubic root of 309913104 is about 676.7267023774.

The spelling of 309913104 in words is "three hundred nine million, nine hundred thirteen thousand, one hundred four".