16997836 has 6 divisors (see below), whose sum is σ = 29746220. Its totient is φ = 8498916.

The previous prime is 16997801. The next prime is 16997861. The reversal of 16997836 is 63879961.

It is a super-3 number, since 3×16997836³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16997836.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124726 + ... + 2124733.

Almost surely, 2^16997836 is an apocalyptic number.

It is an amenable number.

16997836 is a deficient number, since it is larger than the sum of its proper divisors (12748384).

16997836 is a wasteful number, since it uses less digits than its factorization.

16997836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4249463 (or 4249461 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 16997836 is about 4122.8431937196. The cubic root of 16997836 is about 257.1172483021.

The spelling of 16997836 in words is "sixteen million, nine hundred ninety-seven thousand, eight hundred thirty-six".