18840752 has 40 divisors (see below), whose sum is σ = 42036000. Its totient is φ = 8013312.

The previous prime is 18840737. The next prime is 18840763. The reversal of 18840752 is 25704881.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16124 + ... + 17252.

It is an arithmetic number, because the mean of its divisors is an integer number (1050900).

Almost surely, 2^18840752 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 18840752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21018000).

18840752 is an abundant number, since it is smaller than the sum of its proper divisors (23195248).

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

18840752 is a wasteful number, since it uses less digits than its factorization.

18840752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 18840752 is about 4340.5935078051. The cubic root of 18840752 is about 266.0925677037.

The spelling of 18840752 in words is "eighteen million, eight hundred forty thousand, seven hundred fifty-two".