18844252 has 24 divisors (see below), whose sum is σ = 38223360. Its totient is φ = 7961520.

The previous prime is 18844207. The next prime is 18844283. The reversal of 18844252 is 25244881.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2752 + ... + 6727.

It is an arithmetic number, because the mean of its divisors is an integer number (1592640).

Almost surely, 2^18844252 is an apocalyptic number.

It is an amenable number.

18844252 is an abundant number, since it is smaller than the sum of its proper divisors (19379108).

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

18844252 is a wasteful number, since it uses less digits than its factorization.

18844252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561 (or 9559 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 18844252 is about 4340.9966597545. The cubic root of 18844252 is about 266.1090438033.

The spelling of 18844252 in words is "eighteen million, eight hundred forty-four thousand, two hundred fifty-two".