2889609 has 8 divisors (see below), whose sum is σ = 4079520. Its totient is φ = 1813056.

The previous prime is 2889599. The next prime is 2889617. The reversal of 2889609 is 9069882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2889609 - 2⁸ = 2889353 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2889209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28279 + ... + 28380.

It is an arithmetic number, because the mean of its divisors is an integer number (509940).

2^2889609 is an apocalyptic number.

It is an amenable number.

2889609 is a deficient number, since it is larger than the sum of its proper divisors (1189911).

2889609 is a wasteful number, since it uses less digits than its factorization.

2889609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56679.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 2889609 is about 1699.8849961100. The cubic root of 2889609 is about 142.4337888773.

It can be divided in two parts, 28 and 89609, that multiplied together give a palindrome (2509052).

The spelling of 2889609 in words is "two million, eight hundred eighty-nine thousand, six hundred nine".