18679896 has 56 divisors (see below), whose sum is σ = 52529580. Its totient is φ = 6224688.

The previous prime is 18679883. The next prime is 18679909. The reversal of 18679896 is 69897681.

It is an interprime number because it is at equal distance from previous prime (18679883) and next prime (18679909).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4231 + ... + 7433.

Almost surely, 2^18679896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18679896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26264790).

18679896 is an abundant number, since it is smaller than the sum of its proper divisors (33849684).

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

18679896 is an equidigital number, since it uses as much as digits as its factorization.

18679896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227 (or 3208 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 18679896 is about 4322.0245256130. The cubic root of 18679896 is about 265.3331327210. Note that the first 3 decimals are identical.

The spelling of 18679896 in words is "eighteen million, six hundred seventy-nine thousand, eight hundred ninety-six".