16324443 has 8 divisors (see below), whose sum is σ = 24184400. Its totient is φ = 10882944.

The previous prime is 16324433. The next prime is 16324447. The reversal of 16324443 is 34442361.

It is a de Polignac number, because none of the positive numbers 2^k-16324443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 604609 = 16324443 / (1 + 6 + 3 + 2 + 4 + 4 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16324447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302278 + ... + 302331.

It is an arithmetic number, because the mean of its divisors is an integer number (3023050).

Almost surely, 2^16324443 is an apocalyptic number.

16324443 is a deficient number, since it is larger than the sum of its proper divisors (7859957).

16324443 is an equidigital number, since it uses as much as digits as its factorization.

16324443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604618 (or 604612 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 16324443 is about 4040.3518411148. The cubic root of 16324443 is about 253.6760445175.

The spelling of 16324443 in words is "sixteen million, three hundred twenty-four thousand, four hundred forty-three".