306034128 has 30 divisors (see below), whose sum is σ = 856470914. Its totient is φ = 102011328.

The previous prime is 306034123. The next prime is 306034193. The reversal of 306034128 is 821430603.

It is a happy number.

306034128 is a `hidden beast` number, since 30 + 603 + 4 + 1 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 232623504 + 73410624 = 15252^2 + 8568^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306034123) 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, 1062475 + ... + 1062762.

Almost surely, 2^306034128 is an apocalyptic number.

It is an amenable number.

306034128 is an abundant number, since it is smaller than the sum of its proper divisors (550436786).

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

306034128 is a wasteful number, since it uses less digits than its factorization.

306034128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125251 (or 2125242 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 306034128 is about 17493.8311412909. The cubic root of 306034128 is about 673.8914611240.

The spelling of 306034128 in words is "three hundred six million, thirty-four thousand, one hundred twenty-eight".