2297889 has 20 divisors (see below), whose sum is σ = 3746160. Its totient is φ = 1392120.

The previous prime is 2297887. The next prime is 2297903. The reversal of 2297889 is 9887922.

It is not a de Polignac number, because 2297889 - 2¹ = 2297887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2297881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 399 + ... + 2180.

It is an arithmetic number, because the mean of its divisors is an integer number (187308).

2^2297889 is an apocalyptic number.

It is an amenable number.

2297889 is a deficient number, since it is larger than the sum of its proper divisors (1448271).

2297889 is a wasteful number, since it uses less digits than its factorization.

2297889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2593 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 2297889 is about 1515.8789529511. The cubic root of 2297889 is about 131.9602152828.

It can be divided in two parts, 229 and 7889, that added together give a palindrome (8118).

The spelling of 2297889 in words is "two million, two hundred ninety-seven thousand, eight hundred eighty-nine".