18788848 has 40 divisors (see below), whose sum is σ = 39629408. Its totient is φ = 8577792.

The previous prime is 18788837. The next prime is 18788857. The reversal of 18788848 is 84888781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 18788795 and 18788804.

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, 20986 + ... + 21862.

Almost surely, 2^18788848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18788848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19814704).

18788848 is an abundant number, since it is smaller than the sum of its proper divisors (20840560).

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

18788848 is a wasteful number, since it uses less digits than its factorization.

18788848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 995 counting only the distinct ones).

The product of its digits is 917504, while the sum is 52.

The square root of 18788848 is about 4334.6104784629. The cubic root of 18788848 is about 265.8479919940.

The spelling of 18788848 in words is "eighteen million, seven hundred eighty-eight thousand, eight hundred forty-eight".