18896 has 10 divisors (see below), whose sum is σ = 36642. Its totient is φ = 9440.

The previous prime is 18869. The next prime is 18899. The reversal of 18896 is 69881.

It can be written as a sum of positive squares in only one way, i.e., 18496 + 400 = 136^2 + 20^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575 + ... + 606.

2¹⁸⁸⁹⁶ is an apocalyptic number.

18896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18896 is a deficient number, since it is larger than the sum of its proper divisors (17746).

18896 is a wasteful number, since it uses less digits than its factorization.

18896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1183 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 18896 is about 137.4627222195. The cubic root of 18896 is about 26.6352407578.

The spelling of 18896 in words is "eighteen thousand, eight hundred ninety-six".