306480636 has 72 divisors (see below), whose sum is σ = 965887104. Its totient is φ = 79604640.

The previous prime is 306480619. The next prime is 306480661. The reversal of 306480636 is 636084603.

306480636 is a `hidden beast` number, since 3 + 0 + 648 + 0 + 6 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 306480636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52510 + ... + 58053.

Almost surely, 2^306480636 is an apocalyptic number.

306480636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

306480636 is an abundant number, since it is smaller than the sum of its proper divisors (659406468).

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

306480636 is a wasteful number, since it uses less digits than its factorization.

306480636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110591 (or 110586 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 306480636 is about 17506.5883598147. The cubic root of 306480636 is about 674.2190408299.

The spelling of 306480636 in words is "three hundred six million, four hundred eighty thousand, six hundred thirty-six".