30494288 has 20 divisors (see below), whose sum is σ = 64454208. Its totient is φ = 13860960.

The previous prime is 30494279. The next prime is 30494323. The reversal of 30494288 is 88249403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86456 + ... + 86807.

Almost surely, 2^30494288 is an apocalyptic number.

It is an amenable number.

30494288 is an abundant number, since it is smaller than the sum of its proper divisors (33959920).

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

30494288 is a wasteful number, since it uses less digits than its factorization.

30494288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173282 (or 173276 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 30494288 is about 5522.1633441976. The cubic root of 30494288 is about 312.4204828082.

It can be divided in two parts, 3049 and 4288, that added together give a palindrome (7337).

The spelling of 30494288 in words is "thirty million, four hundred ninety-four thousand, two hundred eighty-eight".