30394144 has 48 divisors (see below), whose sum is σ = 66165120. Its totient is φ = 13628160.

The previous prime is 30394139. The next prime is 30394153. The reversal of 30394144 is 44149303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27262 + ... + 28354.

It is an arithmetic number, because the mean of its divisors is an integer number (1378440).

Almost surely, 2^30394144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30394144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33082560).

30394144 is an abundant number, since it is smaller than the sum of its proper divisors (35770976).

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

30394144 is a wasteful number, since it uses less digits than its factorization.

30394144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 30394144 is about 5513.0884266444. The cubic root of 30394144 is about 312.0781088682.

The spelling of 30394144 in words is "thirty million, three hundred ninety-four thousand, one hundred forty-four".