16842589 has 2 divisors, whose sum is σ = 16842590. Its totient is φ = 16842588.

The previous prime is 16842577. The next prime is 16842611. The reversal of 16842589 is 98524861.

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., 11847364 + 4995225 = 3442^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 16842589 - 2⁵ = 16842557 is a prime.

It is a super-3 number, since 3×16842589³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16842559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8421294 + 8421295.

It is an arithmetic number, because the mean of its divisors is an integer number (8421295).

Almost surely, 2^16842589 is an apocalyptic number.

It is an amenable number.

16842589 is a deficient number, since it is larger than the sum of its proper divisors (1).

16842589 is an equidigital number, since it uses as much as digits as its factorization.

16842589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 43.

The square root of 16842589 is about 4103.9723439614. The cubic root of 16842589 is about 256.3320733335.

The spelling of 16842589 in words is "sixteen million, eight hundred forty-two thousand, five hundred eighty-nine".