19794475 has 12 divisors (see below), whose sum is σ = 24625656. Its totient is φ = 15783680.

The previous prime is 19794469. The next prime is 19794479. The reversal of 19794475 is 57449791.

It is not a de Polignac number, because 19794475 - 2¹⁷ = 19663403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19794479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7704 + ... + 9946.

It is an arithmetic number, because the mean of its divisors is an integer number (2052138).

Almost surely, 2^19794475 is an apocalyptic number.

19794475 is a deficient number, since it is larger than the sum of its proper divisors (4831181).

19794475 is a wasteful number, since it uses less digits than its factorization.

19794475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606 (or 2601 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 19794475 is about 4449.0982232358. The cubic root of 19794475 is about 270.5087572603.

The spelling of 19794475 in words is "nineteen million, seven hundred ninety-four thousand, four hundred seventy-five".