16896639 has 8 divisors (see below), whose sum is σ = 22576000. Its totient is φ = 11240856.

The previous prime is 16896631. The next prime is 16896667. The reversal of 16896639 is 93669861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16896639 - 2³ = 16896631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16896631) 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 7 ways as a sum of consecutive naturals, for example, 4147 + ... + 7140.

It is an arithmetic number, because the mean of its divisors is an integer number (2822000).

Almost surely, 2^16896639 is an apocalyptic number.

16896639 is a deficient number, since it is larger than the sum of its proper divisors (5679361).

16896639 is a wasteful number, since it uses less digits than its factorization.

16896639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11789.

The product of its digits is 419904, while the sum is 48.

The square root of 16896639 is about 4110.5521526919. The cubic root of 16896639 is about 256.6059812302.

The spelling of 16896639 in words is "sixteen million, eight hundred ninety-six thousand, six hundred thirty-nine".