2889655 has 4 divisors (see below), whose sum is σ = 3467592. Its totient is φ = 2311720.

The previous prime is 2889641. The next prime is 2889683. The reversal of 2889655 is 5569882.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5569882 = 2 ⋅2784941.

It is not a de Polignac number, because 2889655 - 2¹¹ = 2887607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 288961 + ... + 288970.

It is an arithmetic number, because the mean of its divisors is an integer number (866898).

2^2889655 is an apocalyptic number.

2889655 is a deficient number, since it is larger than the sum of its proper divisors (577937).

2889655 is an equidigital number, since it uses as much as digits as its factorization.

2889655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577936.

The product of its digits is 172800, while the sum is 43.

The square root of 2889655 is about 1699.8985263833. The cubic root of 2889655 is about 142.4345446796.

The spelling of 2889655 in words is "two million, eight hundred eighty-nine thousand, six hundred fifty-five".