16828644 has 24 divisors (see below), whose sum is σ = 44876608. Its totient is φ = 4808160.

The previous prime is 16828631. The next prime is 16828649. The reversal of 16828644 is 44682861.

It is not an unprimeable number, because it can be changed into a prime (16828649) 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, 100087 + ... + 100254.

Almost surely, 2^16828644 is an apocalyptic number.

16828644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16828644 is an abundant number, since it is smaller than the sum of its proper divisors (28047964).

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

16828644 is a wasteful number, since it uses less digits than its factorization.

16828644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200355 (or 200353 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 16828644 is about 4102.2730284563. The cubic root of 16828644 is about 256.2613095147.

The spelling of 16828644 in words is "sixteen million, eight hundred twenty-eight thousand, six hundred forty-four".