306415968 has 48 divisors (see below), whose sum is σ = 806855616. Its totient is φ = 101819520.

The previous prime is 306415937. The next prime is 306415987. The reversal of 306415968 is 869514603.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 26955 + ... + 36597.

It is an arithmetic number, because the mean of its divisors is an integer number (16809492).

Almost surely, 2^306415968 is an apocalyptic number.

It is an amenable number.

306415968 is an abundant number, since it is smaller than the sum of its proper divisors (500439648).

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

306415968 is a wasteful number, since it uses less digits than its factorization.

306415968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9987 (or 9979 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 306415968 is about 17504.7413005734. The cubic root of 306415968 is about 674.1716169922.

The spelling of 306415968 in words is "three hundred six million, four hundred fifteen thousand, nine hundred sixty-eight".