19114866 has 48 divisors (see below), whose sum is σ = 44151744. Its totient is φ = 6193584.

The previous prime is 19114861. The next prime is 19114933. The reversal of 19114866 is 66841191.

It is a happy number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 19114866.

It is not an unprimeable number, because it can be changed into a prime (19114861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17451 + ... + 18513.

It is an arithmetic number, because the mean of its divisors is an integer number (919828).

Almost surely, 2^19114866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19114866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22075872).

19114866 is an abundant number, since it is smaller than the sum of its proper divisors (25036878).

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

19114866 is a wasteful number, since it uses less digits than its factorization.

19114866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1105 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 19114866 is about 4372.0551231658. The cubic root of 19114866 is about 267.3768192862.

The spelling of 19114866 in words is "nineteen million, one hundred fourteen thousand, eight hundred sixty-six".