18852288 has 168 divisors, whose sum is σ = 62471808. Its totient is φ = 4912128.

The previous prime is 18852287. The next prime is 18852293. The reversal of 18852288 is 88225881.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18852283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227095 + ... + 227177.

It is an arithmetic number, because the mean of its divisors is an integer number (371856).

Almost surely, 2^18852288 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 18852288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31235904).

18852288 is an abundant number, since it is smaller than the sum of its proper divisors (43619520).

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

18852288 is a wasteful number, since it uses less digits than its factorization.

18852288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 108 counting only the distinct ones).

The product of its digits is 81920, while the sum is 42.

The square root of 18852288 is about 4341.9221549908. The cubic root of 18852288 is about 266.1468652103.

The spelling of 18852288 in words is "eighteen million, eight hundred fifty-two thousand, two hundred eighty-eight".