16396444 has 12 divisors (see below), whose sum is σ = 28778904. Its totient is φ = 8173904.

The previous prime is 16396423. The next prime is 16396453. The reversal of 16396444 is 44469361.

16396444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4519 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (2398242).

Almost surely, 2^16396444 is an apocalyptic number.

It is an amenable number.

16396444 is a deficient number, since it is larger than the sum of its proper divisors (12382460).

16396444 is a wasteful number, since it uses less digits than its factorization.

16396444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164 (or 12162 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 16396444 is about 4049.2522766555. The cubic root of 16396444 is about 254.0484541863.

The spelling of 16396444 in words is "sixteen million, three hundred ninety-six thousand, four hundred forty-four".