16444049 has 4 divisors (see below), whose sum is σ = 17411364. Its totient is φ = 15476736.

The previous prime is 16444033. The next prime is 16444069. The reversal of 16444049 is 94044461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12909649 + 3534400 = 3593^2 + 1880^2 .

It is a cyclic number.

It is not a de Polignac number, because 16444049 - 2⁴ = 16444033 is a prime.

It is a super-3 number, since 3×16444049³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16444019) 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, 483632 + ... + 483665.

It is an arithmetic number, because the mean of its divisors is an integer number (4352841).

Almost surely, 2^16444049 is an apocalyptic number.

It is an amenable number.

16444049 is a deficient number, since it is larger than the sum of its proper divisors (967315).

16444049 is an equidigital number, since it uses as much as digits as its factorization.

16444049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967314.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 16444049 is about 4055.1262619060. The cubic root of 16444049 is about 254.2940824673.

The spelling of 16444049 in words is "sixteen million, four hundred forty-four thousand, forty-nine".