306530612 has 24 divisors (see below), whose sum is σ = 546215040. Its totient is φ = 150478560.

The previous prime is 306530599. The next prime is 306530639. The reversal of 306530612 is 216035603.

306530612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×306530612² = 187922032186189088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223553 + ... + 224919.

It is an arithmetic number, because the mean of its divisors is an integer number (22758960).

Almost surely, 2^306530612 is an apocalyptic number.

It is an amenable number.

306530612 is a deficient number, since it is larger than the sum of its proper divisors (239684428).

306530612 is a wasteful number, since it uses less digits than its factorization.

306530612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 306530612 is about 17508.0156499816. The cubic root of 306530612 is about 674.2556858199.

The spelling of 306530612 in words is "three hundred six million, five hundred thirty thousand, six hundred twelve".