306066906 has 48 divisors (see below), whose sum is σ = 692340480. Its totient is φ = 97606080.

The previous prime is 306066857. The next prime is 306066931. The reversal of 306066906 is 609660603.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46581 + ... + 52743.

It is an arithmetic number, because the mean of its divisors is an integer number (14423760).

Almost surely, 2^306066906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306066906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346170240).

306066906 is an abundant number, since it is smaller than the sum of its proper divisors (386273574).

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

306066906 is a wasteful number, since it uses less digits than its factorization.

306066906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6291 (or 6288 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 306066906 is about 17494.7679607361. The cubic root of 306066906 is about 673.9155194710.

The spelling of 306066906 in words is "three hundred six million, sixty-six thousand, nine hundred six".