3009889 has 4 divisors (see below), whose sum is σ = 3013524. Its totient is φ = 3006256.

The previous prime is 3009887. The next prime is 3009899. The reversal of 3009889 is 9889003.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9889003 = 2719 ⋅3637.

It can be written as a sum of positive squares in 2 ways, for example, as 1227664 + 1782225 = 1108^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 3009889 - 2¹ = 3009887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3009887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (753381).

Almost surely, 2^3009889 is an apocalyptic number.

It is an amenable number.

3009889 is a deficient number, since it is larger than the sum of its proper divisors (3635).

3009889 is a wasteful number, since it uses less digits than its factorization.

3009889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 3009889 is about 1734.9031673266. The cubic root of 3009889 is about 144.3832544021.

The spelling of 3009889 in words is "three million, nine thousand, eight hundred eighty-nine".