16798443 has 4 divisors (see below), whose sum is σ = 22397928. Its totient is φ = 11198960.

The previous prime is 16798427. The next prime is 16798447. The reversal of 16798443 is 34489761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34489761 = 3 ⋅11496587.

It is a cyclic number.

It is not a de Polignac number, because 16798443 - 2⁴ = 16798427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16798395 and 16798404.

It is not an unprimeable number, because it can be changed into a prime (16798447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2799738 + ... + 2799743.

It is an arithmetic number, because the mean of its divisors is an integer number (5599482).

Almost surely, 2^16798443 is an apocalyptic number.

16798443 is a deficient number, since it is larger than the sum of its proper divisors (5599485).

16798443 is an equidigital number, since it uses as much as digits as its factorization.

16798443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599484.

The product of its digits is 145152, while the sum is 42.

The square root of 16798443 is about 4098.5903674312. The cubic root of 16798443 is about 256.1079206032.

The spelling of 16798443 in words is "sixteen million, seven hundred ninety-eight thousand, four hundred forty-three".