18305048 has 16 divisors (see below), whose sum is σ = 34368000. Its totient is φ = 9140256.

The previous prime is 18305041. The next prime is 18305071. The reversal of 18305048 is 84050381.

It is a self number, because there is not a number n which added to its sum of digits gives 18305048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18305041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9338 + ... + 11126.

It is an arithmetic number, because the mean of its divisors is an integer number (2148000).

Almost surely, 2^18305048 is an apocalyptic number.

It is an amenable number.

18305048 is a deficient number, since it is larger than the sum of its proper divisors (16062952).

18305048 is a wasteful number, since it uses less digits than its factorization.

18305048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18305048 is about 4278.4399025813. The cubic root of 18305048 is about 263.5463205922.

The spelling of 18305048 in words is "eighteen million, three hundred five thousand, forty-eight".