19848668 has 24 divisors (see below), whose sum is σ = 40351584. Its totient is φ = 8366400.

The previous prime is 19848643. The next prime is 19848679. The reversal of 19848668 is 86684891.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 7518.

It is an arithmetic number, because the mean of its divisors is an integer number (1681316).

Almost surely, 2^19848668 is an apocalyptic number.

It is an amenable number.

19848668 is an abundant number, since it is smaller than the sum of its proper divisors (20502916).

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

19848668 is a wasteful number, since it uses less digits than its factorization.

19848668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11693 (or 11691 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 19848668 is about 4455.1843957349. The cubic root of 19848668 is about 270.7553971778.

The spelling of 19848668 in words is "nineteen million, eight hundred forty-eight thousand, six hundred sixty-eight".