19840794 has 8 divisors (see below), whose sum is σ = 39681600. Its totient is φ = 6613596.

The previous prime is 19840763. The next prime is 19840801. The reversal of 19840794 is 49704891.

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

19840794 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653394 + ... + 1653405.

It is an arithmetic number, because the mean of its divisors is an integer number (4960200).

Almost surely, 2^19840794 is an apocalyptic number.

19840794 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.

19840794 is a wasteful number, since it uses less digits than its factorization.

19840794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306804.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 19840794 is about 4454.3006185034. The cubic root of 19840794 is about 270.7195894018.

The spelling of 19840794 in words is "nineteen million, eight hundred forty thousand, seven hundred ninety-four".