30338874 has 20 divisors (see below), whose sum is σ = 67981914. Its totient is φ = 10112904.

The previous prime is 30338857. The next prime is 30338879. The reversal of 30338874 is 47883303.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 3744225 = 5157^2 + 1935^2 .

It is not an unprimeable number, because it can be changed into a prime (30338879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93477 + ... + 93800.

Almost surely, 2^30338874 is an apocalyptic number.

30338874 is an abundant number, since it is smaller than the sum of its proper divisors (37643040).

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

30338874 is a wasteful number, since it uses less digits than its factorization.

30338874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187291 (or 187282 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 30338874 is about 5508.0735289210. The cubic root of 30338874 is about 311.8888287356. Note that the first 4 decimals are identical.

The spelling of 30338874 in words is "thirty million, three hundred thirty-eight thousand, eight hundred seventy-four".