16396044 has 48 divisors (see below), whose sum is σ = 44663808. Its totient is φ = 4583808.

The previous prime is 16396043. The next prime is 16396057. The reversal of 16396044 is 44069361.

It is a junction number, because it is equal to n+sod(n) for n = 16395996 and 16396014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16396043) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1872 + ... + 6024.

It is an arithmetic number, because the mean of its divisors is an integer number (930496).

Almost surely, 2^16396044 is an apocalyptic number.

16396044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16396044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22331904).

16396044 is an abundant number, since it is smaller than the sum of its proper divisors (28267764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16396044 is a wasteful number, since it uses less digits than its factorization.

16396044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214 (or 4212 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 16396044 is about 4049.2028845194. The cubic root of 16396044 is about 254.0463882870.

The spelling of 16396044 in words is "sixteen million, three hundred ninety-six thousand, forty-four".