16394473 has 8 divisors (see below), whose sum is σ = 17324000. Its totient is φ = 15471648.

The previous prime is 16394471. The next prime is 16394491. The reversal of 16394473 is 37449361.

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

It is a cyclic number.

It is not a de Polignac number, because 16394473 - 2¹ = 16394471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16394471) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3853 + ... + 6901.

It is an arithmetic number, because the mean of its divisors is an integer number (2165500).

Almost surely, 2^16394473 is an apocalyptic number.

It is an amenable number.

16394473 is a deficient number, since it is larger than the sum of its proper divisors (929527).

16394473 is a wasteful number, since it uses less digits than its factorization.

16394473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351.

The product of its digits is 54432, while the sum is 37.

The square root of 16394473 is about 4049.0088910745. The cubic root of 16394473 is about 254.0382741422.

The spelling of 16394473 in words is "sixteen million, three hundred ninety-four thousand, four hundred seventy-three".