16954849 has 2 divisors, whose sum is σ = 16954850. Its totient is φ = 16954848.

The previous prime is 16954829. The next prime is 16954891. The reversal of 16954849 is 94845961.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10679824 + 6275025 = 3268^2 + 2505^2 .

It is a cyclic number.

It is not a de Polignac number, because 16954849 - 2⁹ = 16954337 is a prime.

It is a super-3 number, since 3×16954849³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 16954799 and 16954808.

It is not a weakly prime, because it can be changed into another prime (16954829) 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 as a sum of consecutive naturals, namely, 8477424 + 8477425.

It is an arithmetic number, because the mean of its divisors is an integer number (8477425).

Almost surely, 2^16954849 is an apocalyptic number.

It is an amenable number.

16954849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16954849 is an equidigital number, since it uses as much as digits as its factorization.

16954849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 46.

The square root of 16954849 is about 4117.6266222182. The cubic root of 16954849 is about 256.9003181475.

The spelling of 16954849 in words is "sixteen million, nine hundred fifty-four thousand, eight hundred forty-nine".