18893896 has 32 divisors (see below), whose sum is σ = 41158080. Its totient is φ = 7963200.

The previous prime is 18893887. The next prime is 18893947. The reversal of 18893896 is 69839881.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (1286190).

Almost surely, 2^18893896 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 18893896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20579040).

18893896 is an abundant number, since it is smaller than the sum of its proper divisors (22264184).

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

18893896 is a wasteful number, since it uses less digits than its factorization.

18893896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605 (or 5601 counting only the distinct ones).

The product of its digits is 746496, while the sum is 52.

The square root of 18893896 is about 4346.7109404698. The cubic root of 18893896 is about 266.3425214244.

The spelling of 18893896 in words is "eighteen million, eight hundred ninety-three thousand, eight hundred ninety-six".