18883338 has 8 divisors (see below), whose sum is σ = 37766688. Its totient is φ = 6294444.

The previous prime is 18883327. The next prime is 18883339. The reversal of 18883338 is 83338881.

18883338 is nontrivially palindromic in base 12.

It is a sphenic number, since it is the product of 3 distinct primes.

18883338 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 18883338.

It is not an unprimeable number, because it can be changed into a prime (18883339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1573606 + ... + 1573617.

It is an arithmetic number, because the mean of its divisors is an integer number (4720836).

Almost surely, 2^18883338 is an apocalyptic number.

18883338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18883338 is a wasteful number, since it uses less digits than its factorization.

18883338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147228.

The product of its digits is 110592, while the sum is 42.

The square root of 18883338 is about 4345.4962892632. The cubic root of 18883338 is about 266.2929010197.

The spelling of 18883338 in words is "eighteen million, eight hundred eighty-three thousand, three hundred thirty-eight".