18383104 has 18 divisors (see below), whose sum is σ = 36694910. Its totient is φ = 9191424.

The previous prime is 18383081. The next prime is 18383119. The reversal of 18383104 is 40138381.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 5992704 = 3520^2 + 2448^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35649 + ... + 36160.

Almost surely, 2^18383104 is an apocalyptic number.

It is an amenable number.

18383104 is a deficient number, since it is larger than the sum of its proper divisors (18311806).

18383104 is an frugal number, since it uses more digits than its factorization.

18383104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71825 (or 71811 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18383104 is about 4287.5522154255. The cubic root of 18383104 is about 263.9203922812.

The spelling of 18383104 in words is "eighteen million, three hundred eighty-three thousand, one hundred four".