2889646 has 4 divisors (see below), whose sum is σ = 4334472. Its totient is φ = 1444822.

The previous prime is 2889641. The next prime is 2889683. The reversal of 2889646 is 6469882.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722410 + ... + 722413.

It is an arithmetic number, because the mean of its divisors is an integer number (1083618).

2^2889646 is an apocalyptic number.

2889646 is a deficient number, since it is larger than the sum of its proper divisors (1444826).

2889646 is a wasteful number, since it uses less digits than its factorization.

2889646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444825.

The product of its digits is 165888, while the sum is 43.

The square root of 2889646 is about 1699.8958791644. The cubic root of 2889646 is about 142.4343968059.

The spelling of 2889646 in words is "two million, eight hundred eighty-nine thousand, six hundred forty-six".