306379912 has 8 divisors (see below), whose sum is σ = 574462350. Its totient is φ = 153189952.

The previous prime is 306379907. The next prime is 306379961. The reversal of 306379912 is 219973603.

It can be written as a sum of positive squares in only one way, i.e., 163481796 + 142898116 = 12786^2 + 11954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19148737 + ... + 19148752.

Almost surely, 2^306379912 is an apocalyptic number.

It is an amenable number.

306379912 is a deficient number, since it is larger than the sum of its proper divisors (268082438).

306379912 is a wasteful number, since it uses less digits than its factorization.

306379912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38297495 (or 38297491 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 306379912 is about 17503.7113778764. The cubic root of 306379912 is about 674.1451726726.

The spelling of 306379912 in words is "three hundred six million, three hundred seventy-nine thousand, nine hundred twelve".