16884589 has 2 divisors, whose sum is σ = 16884590. Its totient is φ = 16884588.

The previous prime is 16884563. The next prime is 16884601. The reversal of 16884589 is 98548861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15468489 + 1416100 = 3933^2 + 1190^2 .

It is an emirp because it is prime and its reverse (98548861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16884589 - 2⁵ = 16884557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16882589) 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, 8442294 + 8442295.

It is an arithmetic number, because the mean of its divisors is an integer number (8442295).

Almost surely, 2^16884589 is an apocalyptic number.

It is an amenable number.

16884589 is a deficient number, since it is larger than the sum of its proper divisors (1).

16884589 is an equidigital number, since it uses as much as digits as its factorization.

16884589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 49.

The square root of 16884589 is about 4109.0861514454. The cubic root of 16884589 is about 256.5449663853.

The spelling of 16884589 in words is "sixteen million, eight hundred eighty-four thousand, five hundred eighty-nine".