19216896 has 40 divisors (see below), whose sum is σ = 51199104. Its totient is φ = 6405120.

The previous prime is 19216877. The next prime is 19216913. The reversal of 19216896 is 69861291.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4720 + ... + 7791.

Almost surely, 2^19216896 is an apocalyptic number.

19216896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19216896 is an abundant number, since it is smaller than the sum of its proper divisors (31982208).

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

19216896 is an equidigital number, since it uses as much as digits as its factorization.

19216896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12532 (or 12516 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 19216896 is about 4383.7080194739. The cubic root of 19216896 is about 267.8517038032.

The spelling of 19216896 in words is "nineteen million, two hundred sixteen thousand, eight hundred ninety-six".