16854419 has 2 divisors, whose sum is σ = 16854420. Its totient is φ = 16854418.

The previous prime is 16854407. The next prime is 16854437. The reversal of 16854419 is 91445861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16854419 - 2²⁰ = 15805843 is a prime.

It is a super-2 number, since 2×16854419² = 568142879655122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16854449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8427209 + 8427210.

It is an arithmetic number, because the mean of its divisors is an integer number (8427210).

Almost surely, 2^16854419 is an apocalyptic number.

16854419 is a deficient number, since it is larger than the sum of its proper divisors (1).

16854419 is an equidigital number, since it uses as much as digits as its factorization.

16854419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 16854419 is about 4105.4133774810. The cubic root of 16854419 is about 256.3920739809.

The spelling of 16854419 in words is "sixteen million, eight hundred fifty-four thousand, four hundred nineteen".