16386344 has 16 divisors (see below), whose sum is σ = 33088020. Its totient is φ = 7562880.

The previous prime is 16386329. The next prime is 16386353. The reversal of 16386344 is 44368361.

It can be written as a sum of positive squares in 2 ways, for example, as 15697444 + 688900 = 3962^2 + 830^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 78677 + ... + 78884.

Almost surely, 2^16386344 is an apocalyptic number.

It is an amenable number.

16386344 is an abundant number, since it is smaller than the sum of its proper divisors (16701676).

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

16386344 is a wasteful number, since it uses less digits than its factorization.

16386344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157580 (or 157576 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 16386344 is about 4048.0049407084. The cubic root of 16386344 is about 253.9962799381.

The spelling of 16386344 in words is "sixteen million, three hundred eighty-six thousand, three hundred forty-four".