16938514 has 8 divisors (see below), whose sum is σ = 25469388. Its totient is φ = 8448720.

The previous prime is 16938503. The next prime is 16938521. The reversal of 16938514 is 41583961.

It can be written as a sum of positive squares in 2 ways, for example, as 12837889 + 4100625 = 3583^2 + 2025^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9217 + ... + 10900.

Almost surely, 2^16938514 is an apocalyptic number.

16938514 is a deficient number, since it is larger than the sum of its proper divisors (8530874).

16938514 is a wasteful number, since it uses less digits than its factorization.

16938514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20540.

The product of its digits is 25920, while the sum is 37.

The square root of 16938514 is about 4115.6425986716. The cubic root of 16938514 is about 256.8177888545.

It can be divided in two parts, 169 and 38514, that added together give a palindrome (38683).

The spelling of 16938514 in words is "sixteen million, nine hundred thirty-eight thousand, five hundred fourteen".