30116628 has 18 divisors (see below), whose sum is σ = 76128234. Its totient is φ = 10038864.

The previous prime is 30116627. The next prime is 30116651. The reversal of 30116628 is 82661103.

30116628 is a `hidden beast` number, since 30 + 1 + 1 + 6 + 628 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 501264 = 5442^2 + 708^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×30116628² = 1814022564180768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30116627) 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, 418251 + ... + 418322.

Almost surely, 2^30116628 is an apocalyptic number.

It is an amenable number.

30116628 is an abundant number, since it is smaller than the sum of its proper divisors (46011606).

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

30116628 is a wasteful number, since it uses less digits than its factorization.

30116628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836583 (or 836578 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 30116628 is about 5487.8618787284. The cubic root of 30116628 is about 311.1253858341.

The spelling of 30116628 in words is "thirty million, one hundred sixteen thousand, six hundred twenty-eight".