18769896 has 48 divisors (see below), whose sum is σ = 51348960. Its totient is φ = 6193440.

The previous prime is 18769871. The next prime is 18769901. The reversal of 18769896 is 69896781.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6151 + ... + 8681.

It is an arithmetic number, because the mean of its divisors is an integer number (1069770).

Almost surely, 2^18769896 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 18769896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25674480).

18769896 is an abundant number, since it is smaller than the sum of its proper divisors (32579064).

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

18769896 is a wasteful number, since it uses less digits than its factorization.

18769896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646 (or 2639 counting only the distinct ones).

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

The square root of 18769896 is about 4332.4238019843. The cubic root of 18769896 is about 265.7585764334.

The spelling of 18769896 in words is "eighteen million, seven hundred sixty-nine thousand, eight hundred ninety-six".