19994376 has 16 divisors (see below), whose sum is σ = 49986000. Its totient is φ = 6664784.

The previous prime is 19994371. The next prime is 19994389. The reversal of 19994376 is 67349991.

It is not an unprimeable number, because it can be changed into a prime (19994371) 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, 416526 + ... + 416573.

It is an arithmetic number, because the mean of its divisors is an integer number (3124125).

Almost surely, 2^19994376 is an apocalyptic number.

It is an amenable number.

19994376 is an abundant number, since it is smaller than the sum of its proper divisors (29991624).

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

19994376 is a wasteful number, since it uses less digits than its factorization.

19994376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833108 (or 833104 counting only the distinct ones).

The product of its digits is 367416, while the sum is 48.

The square root of 19994376 is about 4471.5071284747. The cubic root of 19994376 is about 271.4163161331.

The spelling of 19994376 in words is "nineteen million, nine hundred ninety-four thousand, three hundred seventy-six".