16896817 has 12 divisors (see below), whose sum is σ = 19981236. Its totient is φ = 14243040.

The previous prime is 16896809. The next prime is 16896823. The reversal of 16896817 is 71869861.

It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 10962721 = 2436^2 + 3311^2 .

It is not a de Polignac number, because 16896817 - 2³ = 16896809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16890817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163 + ... + 5815.

It is an arithmetic number, because the mean of its divisors is an integer number (1665103).

Almost surely, 2^16896817 is an apocalyptic number.

It is an amenable number.

16896817 is a deficient number, since it is larger than the sum of its proper divisors (3084419).

16896817 is an equidigital number, since it uses as much as digits as its factorization.

16896817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728 (or 5721 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 16896817 is about 4110.5738042273. The cubic root of 16896817 is about 256.6068823108.

The spelling of 16896817 in words is "sixteen million, eight hundred ninety-six thousand, eight hundred seventeen".