16394644 has 24 divisors (see below), whose sum is σ = 34516160. Its totient is φ = 6656256.

The previous prime is 16394641. The next prime is 16394669. The reversal of 16394644 is 44649361.

16394644 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 not an unprimeable number, because it can be changed into a prime (16394641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14877 + ... + 15940.

Almost surely, 2^16394644 is an apocalyptic number.

16394644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16394644 is an abundant number, since it is smaller than the sum of its proper divisors (18121516).

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

16394644 is a wasteful number, since it uses less digits than its factorization.

16394644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30847 (or 30845 counting only the distinct ones).

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

The square root of 16394644 is about 4049.0300072980. The cubic root of 16394644 is about 254.0391573747.

The spelling of 16394644 in words is "sixteen million, three hundred ninety-four thousand, six hundred forty-four".