16709338 has 4 divisors (see below), whose sum is σ = 25064010. Its totient is φ = 8354668.

The previous prime is 16709323. The next prime is 16709383. The reversal of 16709338 is 83390761.

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., 16136289 + 573049 = 4017^2 + 757^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16709297 and 16709306.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4177333 + ... + 4177336.

Almost surely, 2^16709338 is an apocalyptic number.

16709338 is a deficient number, since it is larger than the sum of its proper divisors (8354672).

16709338 is an equidigital number, since it uses as much as digits as its factorization.

16709338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354671.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 16709338 is about 4087.7057134779. The cubic root of 16709338 is about 255.6542879863.

The spelling of 16709338 in words is "sixteen million, seven hundred nine thousand, three hundred thirty-eight".