19888914 has 8 divisors (see below), whose sum is σ = 39777840. Its totient is φ = 6629636.

The previous prime is 19888909. The next prime is 19888927. The reversal of 19888914 is 41988891.

It is a sphenic number, since it is the product of 3 distinct primes.

19888914 is an admirable number.

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, 1657404 + ... + 1657415.

It is an arithmetic number, because the mean of its divisors is an integer number (4972230).

Almost surely, 2^19888914 is an apocalyptic number.

19888914 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19888914 is a wasteful number, since it uses less digits than its factorization.

19888914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314824.

The product of its digits is 165888, while the sum is 48.

The square root of 19888914 is about 4459.6988687578. The cubic root of 19888914 is about 270.9382720026.

It can be divided in two parts, 19888 and 914, that added together give a palindrome (20802).

The spelling of 19888914 in words is "nineteen million, eight hundred eighty-eight thousand, nine hundred fourteen".