306130906 has 16 divisors (see below), whose sum is σ = 466858080. Its totient is φ = 150519600.

The previous prime is 306130871. The next prime is 306130949. The reversal of 306130906 is 609031603.

It is a super-2 number, since 2×306130906² = 187432263216761672, 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, 92305 + ... + 95563.

It is an arithmetic number, because the mean of its divisors is an integer number (29178630).

Almost surely, 2^306130906 is an apocalyptic number.

306130906 is a deficient number, since it is larger than the sum of its proper divisors (160727174).

306130906 is a wasteful number, since it uses less digits than its factorization.

306130906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 306130906 is about 17496.5969834137. The cubic root of 306130906 is about 673.9624891439.

The spelling of 306130906 in words is "three hundred six million, one hundred thirty thousand, nine hundred six".