306424012 has 6 divisors (see below), whose sum is σ = 536242028. Its totient is φ = 153212004.

The previous prime is 306424007. The next prime is 306424093. The reversal of 306424012 is 210424603.

It is a happy number.

It is a super-2 number, since 2×306424012² = 187791350260352288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38302998 + ... + 38303005.

Almost surely, 2^306424012 is an apocalyptic number.

It is an amenable number.

306424012 is a deficient number, since it is larger than the sum of its proper divisors (229818016).

306424012 is a wasteful number, since it uses less digits than its factorization.

306424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76606007 (or 76606005 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 306424012 is about 17504.9710653860. The cubic root of 306424012 is about 674.1775163682.

Adding to 306424012 its reverse (210424603), we get a palindrome (516848615).

The spelling of 306424012 in words is "three hundred six million, four hundred twenty-four thousand, twelve".