18884096 has 80 divisors (see below), whose sum is σ = 47139840. Its totient is φ = 7342080.

The previous prime is 18884051. The next prime is 18884101. The reversal of 18884096 is 69048881.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39185 + ... + 39663.

It is an arithmetic number, because the mean of its divisors is an integer number (589248).

Almost surely, 2^18884096 is an apocalyptic number.

18884096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18884096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23569920).

18884096 is an abundant number, since it is smaller than the sum of its proper divisors (28255744).

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

18884096 is an equidigital number, since it uses as much as digits as its factorization.

18884096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 18884096 is about 4345.5835051233. The cubic root of 18884096 is about 266.2964640783.

The spelling of 18884096 in words is "eighteen million, eight hundred eighty-four thousand, ninety-six".