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19914 = 233319

19914 has 8 divisors (see below), whose sum is σ = 39840. Its totient is φ = 6636.

The previous prime is 19913. The next prime is 19919. The reversal of 19914 is 41991.

19914 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

19914 is an admirable number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 19914.

It is not an unprimeable number, because it can be changed into a prime (19913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1654 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (4980).

219914 is an apocalyptic number.

19914 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19920).

19914 is a wasteful number, since it uses less digits than its factorization.

19914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its digits is 324, while the sum is 24.

The square root of 19914 is about 141.1169727566. The cubic root of 19914 is about 27.1052136136.

The spelling of 19914 in words is "nineteen thousand, nine hundred fourteen".

Divisors: 1 2 3 6 3319 6638 9957 19914