16859914 has 4 divisors (see below), whose sum is σ = 25289874. Its totient is φ = 8429956.

The previous prime is 16859911. The next prime is 16859929. The reversal of 16859914 is 41995861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15077689 + 1782225 = 3883^2 + 1335^2 .

It is not an unprimeable number, because it can be changed into a prime (16859911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4214977 + ... + 4214980.

Almost surely, 2^16859914 is an apocalyptic number.

16859914 is a deficient number, since it is larger than the sum of its proper divisors (8429960).

16859914 is an equidigital number, since it uses as much as digits as its factorization.

16859914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8429959.

The product of its digits is 77760, while the sum is 43.

The square root of 16859914 is about 4106.0825612742. The cubic root of 16859914 is about 256.4199345549.

The spelling of 16859914 in words is "sixteen million, eight hundred fifty-nine thousand, nine hundred fourteen".