2896889 has 4 divisors (see below), whose sum is σ = 2909556. Its totient is φ = 2884224.

The previous prime is 2896877. The next prime is 2896903. The reversal of 2896889 is 9886982.

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

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 2418025 = 692^2 + 1555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2896889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2896849) 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, 5984 + ... + 6449.

It is an arithmetic number, because the mean of its divisors is an integer number (727389).

2^2896889 is an apocalyptic number.

It is an amenable number.

2896889 is a deficient number, since it is larger than the sum of its proper divisors (12667).

2896889 is a wasteful number, since it uses less digits than its factorization.

2896889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666.

The product of its digits is 497664, while the sum is 50.

The square root of 2896889 is about 1702.0249704396. The cubic root of 2896889 is about 142.5533031329.

It can be divided in two parts, 289 and 6889, that multiplied together give a square (1990921 = 1411²).

The spelling of 2896889 in words is "two million, eight hundred ninety-six thousand, eight hundred eighty-nine".