2897289 has 12 divisors (see below), whose sum is σ = 4340336. Its totient is φ = 1931364.

The previous prime is 2897273. The next prime is 2897299. The reversal of 2897289 is 9827982.

It is not a de Polignac number, because 2897289 - 2⁴ = 2897273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2897249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5719 + ... + 6204.

2^2897289 is an apocalyptic number.

It is an amenable number.

2897289 is a deficient number, since it is larger than the sum of its proper divisors (1443047).

2897289 is an equidigital number, since it uses as much as digits as its factorization.

2897289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938 (or 11926 counting only the distinct ones).

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

The square root of 2897289 is about 1702.1424734728. The cubic root of 2897289 is about 142.5598640444.

The spelling of 2897289 in words is "two million, eight hundred ninety-seven thousand, two hundred eighty-nine".