16984897 has 4 divisors (see below), whose sum is σ = 17016496. Its totient is φ = 16953300.

The previous prime is 16984831. The next prime is 16984909. The reversal of 16984897 is 79848961.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16984897 - 2¹⁵ = 16952129 is a prime.

It is a super-2 number, since 2×16984897² = 576973452201218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16984997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14979 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (4254124).

Almost surely, 2^16984897 is an apocalyptic number.

It is an amenable number.

16984897 is a deficient number, since it is larger than the sum of its proper divisors (31599).

16984897 is an equidigital number, since it uses as much as digits as its factorization.

16984897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31598.

The product of its digits is 870912, while the sum is 52.

The square root of 16984897 is about 4121.2737108811. The cubic root of 16984897 is about 257.0519912781.

The spelling of 16984897 in words is "sixteen million, nine hundred eighty-four thousand, eight hundred ninety-seven".