306132906 has 16 divisors (see below), whose sum is σ = 648281664. Its totient is φ = 96041664.

The previous prime is 306132863. The next prime is 306132913. The reversal of 306132906 is 609231603.

It is a happy number.

It is a super-2 number, since 2×306132906² = 187434712272009672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500550 + ... + 1500753.

It is an arithmetic number, because the mean of its divisors is an integer number (40517604).

Almost surely, 2^306132906 is an apocalyptic number.

306132906 is an abundant number, since it is smaller than the sum of its proper divisors (342148758).

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

306132906 is a wasteful number, since it uses less digits than its factorization.

306132906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001325.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 306132906 is about 17496.6541372915. The cubic root of 306132906 is about 673.9639568407.

The spelling of 306132906 in words is "three hundred six million, one hundred thirty-two thousand, nine hundred six".