19996614 has 48 divisors (see below), whose sum is σ = 49330944. Its totient is φ = 5794800.

The previous prime is 19996597. The next prime is 19996621. The reversal of 19996614 is 41669991.

It is a self number, because there is not a number n which added to its sum of digits gives 19996614.

It is a congruent number.

It is an unprimeable number.

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, 2359 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (1027728).

Almost surely, 2^19996614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19996614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24665472).

19996614 is an abundant number, since it is smaller than the sum of its proper divisors (29334330).

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

19996614 is a wasteful number, since it uses less digits than its factorization.

19996614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433 (or 4430 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 19996614 is about 4471.7573726668. The cubic root of 19996614 is about 271.4264424315.

The spelling of 19996614 in words is "nineteen million, nine hundred ninety-six thousand, six hundred fourteen".