18338048 has 18 divisors (see below), whose sum is σ = 36604974. Its totient is φ = 9168896.

The previous prime is 18338011. The next prime is 18338083. The reversal of 18338048 is 84083381.

It can be written as a sum of positive squares in only one way, i.e., 12730624 + 5607424 = 3568^2 + 2368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18337999 and 18338017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35561 + ... + 36072.

Almost surely, 2^18338048 is an apocalyptic number.

It is an amenable number.

18338048 is a deficient number, since it is larger than the sum of its proper divisors (18266926).

18338048 is an frugal number, since it uses more digits than its factorization.

18338048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71649 (or 71635 counting only the distinct ones).

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

The square root of 18338048 is about 4282.2947119506. The cubic root of 18338048 is about 263.7045976519.

The spelling of 18338048 in words is "eighteen million, three hundred thirty-eight thousand, forty-eight".