18853696 has 28 divisors (see below), whose sum is σ = 37810948. Its totient is φ = 9326592.

The previous prime is 18853691. The next prime is 18853729. The reversal of 18853696 is 69635881.

It can be written as a sum of positive squares in 2 ways, for example, as 12503296 + 6350400 = 3536^2 + 2520^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18853691) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4690 + ... + 7726.

It is an arithmetic number, because the mean of its divisors is an integer number (1350391).

Almost surely, 2^18853696 is an apocalyptic number.

18853696 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 18853696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18905474).

18853696 is an abundant number, since it is smaller than the sum of its proper divisors (18957252).

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

18853696 is an equidigital number, since it uses as much as digits as its factorization.

18853696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146 (or 3136 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 18853696 is about 4342.0842921344. The cubic root of 18853696 is about 266.1534908510.

The spelling of 18853696 in words is "eighteen million, eight hundred fifty-three thousand, six hundred ninety-six".