16279444 has 6 divisors (see below), whose sum is σ = 28489034. Its totient is φ = 8139720.

The previous prime is 16279429. The next prime is 16279453. The reversal of 16279444 is 44497261.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11492100 + 4787344 = 3390^2 + 2188^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034927 + ... + 2034934.

Almost surely, 2^16279444 is an apocalyptic number.

It is an amenable number.

16279444 is a deficient number, since it is larger than the sum of its proper divisors (12209590).

16279444 is a wasteful number, since it uses less digits than its factorization.

16279444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069865 (or 4069863 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 16279444 is about 4034.7793000361. The cubic root of 16279444 is about 253.4427405243.

The spelling of 16279444 in words is "sixteen million, two hundred seventy-nine thousand, four hundred forty-four".