30057084 has 36 divisors (see below), whose sum is σ = 76161904. Its totient is φ = 9994752.

The previous prime is 30057047. The next prime is 30057089. The reversal of 30057084 is 48075003.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30057089) 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 11 ways as a sum of consecutive naturals, for example, 20049 + ... + 21495.

Almost surely, 2^30057084 is an apocalyptic number.

It is an amenable number.

30057084 is an abundant number, since it is smaller than the sum of its proper divisors (46104820).

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

30057084 is a wasteful number, since it uses less digits than its factorization.

30057084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2029 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 30057084 is about 5482.4341309313. The cubic root of 30057084 is about 310.9202071256.

The spelling of 30057084 in words is "thirty million, fifty-seven thousand, eighty-four".