16444249 has 4 divisors (see below), whose sum is σ = 16467840. Its totient is φ = 16420660.

The previous prime is 16444201. The next prime is 16444271. The reversal of 16444249 is 94244461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94244461 = 29 ⋅3249809.

It is a cyclic number.

It is not a de Polignac number, because 16444249 - 2⁷ = 16444121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16444289) 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, 10717 + ... + 12154.

It is an arithmetic number, because the mean of its divisors is an integer number (4116960).

Almost surely, 2^16444249 is an apocalyptic number.

It is an amenable number.

16444249 is a deficient number, since it is larger than the sum of its proper divisors (23591).

16444249 is an equidigital number, since it uses as much as digits as its factorization.

16444249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23590.

The product of its digits is 27648, while the sum is 34.

The square root of 16444249 is about 4055.1509219757. The cubic root of 16444249 is about 254.2951134099.

The spelling of 16444249 in words is "sixteen million, four hundred forty-four thousand, two hundred forty-nine".