16872443 has 8 divisors (see below), whose sum is σ = 19753440. Its totient is φ = 14109120.

The previous prime is 16872439. The next prime is 16872451. The reversal of 16872443 is 34427861.

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 16872443 - 2² = 16872439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16872433) 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, 29108 + ... + 29681.

It is an arithmetic number, because the mean of its divisors is an integer number (2469180).

Almost surely, 2^16872443 is an apocalyptic number.

16872443 is a deficient number, since it is larger than the sum of its proper divisors (2880997).

16872443 is an equidigital number, since it uses as much as digits as its factorization.

16872443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58837.

The product of its digits is 32256, while the sum is 35.

The square root of 16872443 is about 4107.6079413693. The cubic root of 16872443 is about 256.4834360627.

The spelling of 16872443 in words is "sixteen million, eight hundred seventy-two thousand, four hundred forty-three".