18803252 has 48 divisors (see below), whose sum is σ = 37761360. Its totient is φ = 8128512.

The previous prime is 18803231. The next prime is 18803261. The reversal of 18803252 is 25230881.

It can be written as a sum of positive squares in 8 ways, for example, as 106276 + 18696976 = 326^2 + 4324^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

18803252 is a modest number, since divided by 3252 gives 188 as remainder.

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 15 ways as a sum of consecutive naturals, for example, 55628 + ... + 55964.

It is an arithmetic number, because the mean of its divisors is an integer number (786695).

Almost surely, 2^18803252 is an apocalyptic number.

It is an amenable number.

18803252 is an abundant number, since it is smaller than the sum of its proper divisors (18958108).

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

18803252 is a wasteful number, since it uses less digits than its factorization.

18803252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 18803252 is about 4336.2716704561. The cubic root of 18803252 is about 265.9159098772.

The spelling of 18803252 in words is "eighteen million, eight hundred three thousand, two hundred fifty-two".