18393696 has 96 divisors (see below), whose sum is σ = 54684000. Its totient is φ = 6013440.

The previous prime is 18393689. The next prime is 18393701. The reversal of 18393696 is 69639381.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52530 + ... + 52878.

It is an arithmetic number, because the mean of its divisors is an integer number (569625).

Almost surely, 2^18393696 is an apocalyptic number.

18393696 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 18393696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27342000).

18393696 is an abundant number, since it is smaller than the sum of its proper divisors (36290304).

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

18393696 is a wasteful number, since it uses less digits than its factorization.

18393696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 415 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 18393696 is about 4288.7872411674. The cubic root of 18393696 is about 263.9710712103.

The spelling of 18393696 in words is "eighteen million, three hundred ninety-three thousand, six hundred ninety-six".