19887096 has 32 divisors (see below), whose sum is σ = 50164560. Its totient is φ = 6569472.

The previous prime is 19887061. The next prime is 19887097. The reversal of 19887096 is 69078891.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19887097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955 + ... + 6378.

Almost surely, 2^19887096 is an apocalyptic number.

It is an amenable number.

19887096 is an abundant number, since it is smaller than the sum of its proper divisors (30277464).

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

19887096 is a wasteful number, since it uses less digits than its factorization.

19887096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7455 (or 7451 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 19887096 is about 4459.4950386787. The cubic root of 19887096 is about 270.9300164691.

The spelling of 19887096 in words is "nineteen million, eight hundred eighty-seven thousand, ninety-six".