305476866 has 32 divisors (see below), whose sum is σ = 690350400. Its totient is φ = 100098720.

The previous prime is 305476817. The next prime is 305476879. The reversal of 305476866 is 668674503.

It is a super-2 number, since 2×305476866² = 186632231322363912, which contains 22 as substring.

It is an unprimeable number.

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, 44755 + ... + 51126.

It is an arithmetic number, because the mean of its divisors is an integer number (21573450).

Almost surely, 2^305476866 is an apocalyptic number.

305476866 is an abundant number, since it is smaller than the sum of its proper divisors (384873534).

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

305476866 is a wasteful number, since it uses less digits than its factorization.

305476866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95951 (or 95945 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 305476866 is about 17477.8964981487. The cubic root of 305476866 is about 673.4821796764.

The spelling of 305476866 in words is "three hundred five million, four hundred seventy-six thousand, eight hundred sixty-six".