305966901 has 16 divisors (see below), whose sum is σ = 433468800. Its totient is φ = 191969984.

The previous prime is 305966897. The next prime is 305966909. The reversal of 305966901 is 109669503.

It is not a de Polignac number, because 305966901 - 2² = 305966897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305966901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305966909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4360 + ... + 25118.

It is an arithmetic number, because the mean of its divisors is an integer number (27091800).

Almost surely, 2^305966901 is an apocalyptic number.

It is an amenable number.

305966901 is a deficient number, since it is larger than the sum of its proper divisors (127501899).

305966901 is an equidigital number, since it uses as much as digits as its factorization.

305966901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20813 (or 20779 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 305966901 is about 17491.9095870062. The cubic root of 305966901 is about 673.8421125767.

The spelling of 305966901 in words is "three hundred five million, nine hundred sixty-six thousand, nine hundred one".