16704289 has 8 divisors (see below), whose sum is σ = 19280448. Its totient is φ = 14175600.

The previous prime is 16704283. The next prime is 16704293. The reversal of 16704289 is 98240761.

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

It is a cyclic number.

It is not a de Polignac number, because 16704289 - 2⁷ = 16704161 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16704283) 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, 11107 + ... + 12520.

It is an arithmetic number, because the mean of its divisors is an integer number (2410056).

Almost surely, 2^16704289 is an apocalyptic number.

It is an amenable number.

16704289 is a deficient number, since it is larger than the sum of its proper divisors (2576159).

16704289 is a wasteful number, since it uses less digits than its factorization.

16704289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23735.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 16704289 is about 4087.0880832201. The cubic root of 16704289 is about 255.6285353496.

The spelling of 16704289 in words is "sixteen million, seven hundred four thousand, two hundred eighty-nine".