18048330 has 48 divisors (see below), whose sum is σ = 48971520. Its totient is φ = 4603104.

The previous prime is 18048319. The next prime is 18048337. The reversal of 18048330 is 3384081.

18048330 is a `hidden beast` number, since 180 + 483 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18048294 and 18048303.

It is not an unprimeable number, because it can be changed into a prime (18048337) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2290 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (1020240).

Almost surely, 2^18048330 is an apocalyptic number.

18048330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18048330 is an abundant number, since it is smaller than the sum of its proper divisors (30923190).

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

18048330 is a wasteful number, since it uses less digits than its factorization.

18048330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8755 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 18048330 is about 4248.3326140970. The cubic root of 18048330 is about 262.3084861603.

The spelling of 18048330 in words is "eighteen million, forty-eight thousand, three hundred thirty".