16825444 has 12 divisors (see below), whose sum is σ = 31176684. Its totient is φ = 7917824.

The previous prime is 16825421. The next prime is 16825451. The reversal of 16825444 is 44452861.

It can be written as a sum of positive squares in 2 ways, for example, as 11985444 + 4840000 = 3462^2 + 2200^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123649 + ... + 123784.

It is an arithmetic number, because the mean of its divisors is an integer number (2598057).

Almost surely, 2^16825444 is an apocalyptic number.

It is an amenable number.

16825444 is a deficient number, since it is larger than the sum of its proper divisors (14351240).

16825444 is a wasteful number, since it uses less digits than its factorization.

16825444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247454 (or 247452 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 16825444 is about 4101.8829822412. The cubic root of 16825444 is about 256.2450656198.

The spelling of 16825444 in words is "sixteen million, eight hundred twenty-five thousand, four hundred forty-four".