18338252 has 12 divisors (see below), whose sum is σ = 32158560. Its totient is φ = 9150096.

The previous prime is 18338239. The next prime is 18338261. The reversal of 18338252 is 25283381.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (2679880).

Almost surely, 2^18338252 is an apocalyptic number.

It is an amenable number.

18338252 is a deficient number, since it is larger than the sum of its proper divisors (13820308).

18338252 is a wasteful number, since it uses less digits than its factorization.

18338252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520 (or 9518 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 18338252 is about 4282.3185308895. The cubic root of 18338252 is about 263.7055755011.

The spelling of 18338252 in words is "eighteen million, three hundred thirty-eight thousand, two hundred fifty-two".