305420827 has 16 divisors (see below), whose sum is σ = 329041440. Its totient is φ = 282468352.

The previous prime is 305420809. The next prime is 305420851. The reversal of 305420827 is 728024503.

It is a cyclic number.

It is not a de Polignac number, because 305420827 - 2¹⁵ = 305388059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305420527) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 328299 + ... + 329227.

It is an arithmetic number, because the mean of its divisors is an integer number (20565090).

Almost surely, 2^305420827 is an apocalyptic number.

305420827 is a deficient number, since it is larger than the sum of its proper divisors (23620613).

305420827 is a wasteful number, since it uses less digits than its factorization.

305420827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 305420827 is about 17476.2932854768. The cubic root of 305420827 is about 673.4409942598.

The spelling of 305420827 in words is "three hundred five million, four hundred twenty thousand, eight hundred twenty-seven".