18768252 has 24 divisors (see below), whose sum is σ = 44039632. Its totient is φ = 6220800.

The previous prime is 18768247. The next prime is 18768259. The reversal of 18768252 is 25286781.

It is a self number, because there is not a number n which added to its sum of digits gives 18768252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18768259) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2149 + ... + 6492.

Almost surely, 2^18768252 is an apocalyptic number.

18768252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18768252 is an abundant number, since it is smaller than the sum of its proper divisors (25271380).

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

18768252 is a wasteful number, since it uses less digits than its factorization.

18768252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829 (or 8827 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 18768252 is about 4332.2340656987. The cubic root of 18768252 is about 265.7508172028.

The spelling of 18768252 in words is "eighteen million, seven hundred sixty-eight thousand, two hundred fifty-two".