18030232 has 32 divisors (see below), whose sum is σ = 37051200. Its totient is φ = 8157600.

The previous prime is 18030227. The next prime is 18030241. The reversal of 18030232 is 23203081.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 28819 + ... + 29437.

It is an arithmetic number, because the mean of its divisors is an integer number (1157850).

Almost surely, 2^18030232 is an apocalyptic number.

It is an amenable number.

18030232 is an abundant number, since it is smaller than the sum of its proper divisors (19020968).

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

18030232 is a wasteful number, since it uses less digits than its factorization.

18030232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 18030232 is about 4246.2020677306. The cubic root of 18030232 is about 262.2207800468.

The spelling of 18030232 in words is "eighteen million, thirty thousand, two hundred thirty-two".