18308348 has 12 divisors (see below), whose sum is σ = 32072040. Its totient is φ = 9144912.

The previous prime is 18308293. The next prime is 18308359. The reversal of 18308348 is 84380381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4115 + ... + 7317.

It is an arithmetic number, because the mean of its divisors is an integer number (2672670).

Almost surely, 2^18308348 is an apocalyptic number.

It is an amenable number.

18308348 is a deficient number, since it is larger than the sum of its proper divisors (13763692).

18308348 is a wasteful number, since it uses less digits than its factorization.

18308348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636 (or 4634 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 18308348 is about 4278.8255397948. The cubic root of 18308348 is about 263.5621568540.

The spelling of 18308348 in words is "eighteen million, three hundred eight thousand, three hundred forty-eight".