306965912 has 64 divisors (see below), whose sum is σ = 673056000. Its totient is φ = 129824640.

The previous prime is 306965903. The next prime is 306965947. The reversal of 306965912 is 219569603.

It is a super-2 number, since 2×306965912² = 188456142259983488, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 306965912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72839 + ... + 76937.

It is an arithmetic number, because the mean of its divisors is an integer number (10516500).

Almost surely, 2^306965912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 306965912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336528000).

306965912 is an abundant number, since it is smaller than the sum of its proper divisors (366090088).

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

306965912 is a wasteful number, since it uses less digits than its factorization.

306965912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176 (or 4172 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 306965912 is about 17520.4426884711. The cubic root of 306965912 is about 674.5747020014.

The spelling of 306965912 in words is "three hundred six million, nine hundred sixty-five thousand, nine hundred twelve".