16997208 has 32 divisors (see below), whose sum is σ = 43643760. Its totient is φ = 5512320.

The previous prime is 16997203. The next prime is 16997231. The reversal of 16997208 is 80279961.

It is a self number, because there is not a number n which added to its sum of digits gives 16997208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16997203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8683 + ... + 10458.

Almost surely, 2^16997208 is an apocalyptic number.

It is an amenable number.

16997208 is an abundant number, since it is smaller than the sum of its proper divisors (26646552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16997208 is a wasteful number, since it uses less digits than its factorization.

16997208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19187 (or 19183 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 16997208 is about 4122.7670319823. The cubic root of 16997208 is about 257.1140817889.

It can be divided in two parts, 16997 and 208, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 16997208 in words is "sixteen million, nine hundred ninety-seven thousand, two hundred eight".