30338288 has 40 divisors (see below), whose sum is σ = 64579200. Its totient is φ = 13742784.

The previous prime is 30338233. The next prime is 30338299. The reversal of 30338288 is 88283303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4823 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (1614480).

Almost surely, 2^30338288 is an apocalyptic number.

30338288 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30338288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32289600).

30338288 is an abundant number, since it is smaller than the sum of its proper divisors (34240912).

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

30338288 is a wasteful number, since it uses less digits than its factorization.

30338288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389 (or 4383 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 30338288 is about 5508.0203340220. The cubic root of 30338288 is about 311.8868206625.

The spelling of 30338288 in words is "thirty million, three hundred thirty-eight thousand, two hundred eighty-eight".