30338090 has 16 divisors (see below), whose sum is σ = 54743040. Its totient is φ = 12105360.

The previous prime is 30338071. The next prime is 30338093. The reversal of 30338090 is 9083303.

It is not an unprimeable number, because it can be changed into a prime (30338093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 791 + ... + 7829.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2^30338090 is an apocalyptic number.

30338090 is a deficient number, since it is larger than the sum of its proper divisors (24404950).

30338090 is a wasteful number, since it uses less digits than its factorization.

30338090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 30338090 is about 5508.0023602028. The cubic root of 30338090 is about 311.8861421609.

Subtracting from 30338090 its sum of digits (26), we obtain a square (30338064 = 5508²).

The spelling of 30338090 in words is "thirty million, three hundred thirty-eight thousand, ninety".