306715480 has 64 divisors (see below), whose sum is σ = 728870400. Its totient is φ = 115839360.

The previous prime is 306715477. The next prime is 306715483. The reversal of 306715480 is 84517603.

It is an interprime number because it is at equal distance from previous prime (306715477) and next prime (306715483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306715483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336225 + ... + 337135.

It is an arithmetic number, because the mean of its divisors is an integer number (11388600).

Almost surely, 2^306715480 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 306715480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364435200).

306715480 is an abundant number, since it is smaller than the sum of its proper divisors (422154920).

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

306715480 is a wasteful number, since it uses less digits than its factorization.

306715480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1380 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 306715480 is about 17513.2943788426. The cubic root of 306715480 is about 674.3912059988.

The spelling of 306715480 in words is "three hundred six million, seven hundred fifteen thousand, four hundred eighty".