305849030 has 32 divisors (see below), whose sum is σ = 568469664. Its totient is φ = 118388736.

The previous prime is 305849029. The next prime is 305849039. The reversal of 305849030 is 30948503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305849039) 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, 69269 + ... + 73551.

It is an arithmetic number, because the mean of its divisors is an integer number (17764677).

Almost surely, 2^305849030 is an apocalyptic number.

305849030 is a deficient number, since it is larger than the sum of its proper divisors (262620634).

305849030 is a wasteful number, since it uses less digits than its factorization.

305849030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 305849030 is about 17488.5399619294. The cubic root of 305849030 is about 673.7555709224.

The spelling of 305849030 in words is "three hundred five million, eight hundred forty-nine thousand, thirty".