30338144 has 12 divisors (see below), whose sum is σ = 59728284. Its totient is φ = 15169056.

The previous prime is 30338131. The next prime is 30338153. The reversal of 30338144 is 44183303.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 474002 + ... + 474065.

It is an arithmetic number, because the mean of its divisors is an integer number (4977357).

Almost surely, 2^30338144 is an apocalyptic number.

It is an amenable number.

30338144 is a deficient number, since it is larger than the sum of its proper divisors (29390140).

30338144 is an equidigital number, since it uses as much as digits as its factorization.

30338144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948077 (or 948069 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 30338144 is about 5508.0072621593. The cubic root of 30338144 is about 311.8863272071.

The spelling of 30338144 in words is "thirty million, three hundred thirty-eight thousand, one hundred forty-four".