16432443 has 8 divisors (see below), whose sum is σ = 24344400. Its totient is φ = 10954944.

The previous prime is 16432439. The next prime is 16432459. The reversal of 16432443 is 34423461.

It is not a de Polignac number, because 16432443 - 2² = 16432439 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: 608609 = 16432443 / (1 + 6 + 4 + 3 + 2 + 4 + 4 + 3).

It is not an unprimeable number, because it can be changed into a prime (16432463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304278 + ... + 304331.

It is an arithmetic number, because the mean of its divisors is an integer number (3043050).

Almost surely, 2^16432443 is an apocalyptic number.

16432443 is a deficient number, since it is larger than the sum of its proper divisors (7911957).

16432443 is an equidigital number, since it uses as much as digits as its factorization.

16432443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608618 (or 608612 counting only the distinct ones).

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

The square root of 16432443 is about 4053.6949811252. The cubic root of 16432443 is about 254.2342425472.

The spelling of 16432443 in words is "sixteen million, four hundred thirty-two thousand, four hundred forty-three".