305028806 has 12 divisors (see below), whose sum is σ = 478302972. Its totient is φ = 145882836.

The previous prime is 305028803. The next prime is 305028811. The reversal of 305028806 is 608820503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305028803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143096 + ... + 145211.

It is an arithmetic number, because the mean of its divisors is an integer number (39858581).

Almost surely, 2^305028806 is an apocalyptic number.

305028806 is a deficient number, since it is larger than the sum of its proper divisors (173274166).

305028806 is a wasteful number, since it uses less digits than its factorization.

305028806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288355 (or 288332 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 305028806 is about 17465.0738904821. The cubic root of 305028806 is about 673.1527405648.

The spelling of 305028806 in words is "three hundred five million, twenty-eight thousand, eight hundred six".