18896896 has 24 divisors (see below), whose sum is σ = 37788660. Its totient is φ = 9447424.

The previous prime is 18896833. The next prime is 18896897. The reversal of 18896896 is 69869881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18896897) by changing a digit.

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 as a sum of consecutive naturals, namely, 2566 + ... + 6661.

Almost surely, 2^18896896 is an apocalyptic number.

18896896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18896896 is a deficient number, since it is larger than the sum of its proper divisors (18891764).

18896896 is an frugal number, since it uses more digits than its factorization.

18896896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249 (or 9229 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 55.

The square root of 18896896 is about 4347.0560152821. The cubic root of 18896896 is about 266.3566174280.

The spelling of 18896896 in words is "eighteen million, eight hundred ninety-six thousand, eight hundred ninety-six".