16890914 has 4 divisors (see below), whose sum is σ = 25336374. Its totient is φ = 8445456.

The previous prime is 16890859. The next prime is 16890917. The reversal of 16890914 is 41909861.

It is a happy number.

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., 10725625 + 6165289 = 3275^2 + 2483^2 .

It is not an unprimeable number, because it can be changed into a prime (16890917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222727 + ... + 4222730.

Almost surely, 2^16890914 is an apocalyptic number.

16890914 is a deficient number, since it is larger than the sum of its proper divisors (8445460).

16890914 is an equidigital number, since it uses as much as digits as its factorization.

16890914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445459.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 16890914 is about 4109.8557152289. The cubic root of 16890914 is about 256.5769964679.

The spelling of 16890914 in words is "sixteen million, eight hundred ninety thousand, nine hundred fourteen".