2889897 has 4 divisors (see below), whose sum is σ = 3853200. Its totient is φ = 1926596.

The previous prime is 2889883. The next prime is 2889923. The reversal of 2889897 is 7989882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2889897 - 2⁶ = 2889833 is a prime.

It is a D-number.

2889897 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2889877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481647 + ... + 481652.

It is an arithmetic number, because the mean of its divisors is an integer number (963300).

2^2889897 is an apocalyptic number.

It is an amenable number.

2889897 is a deficient number, since it is larger than the sum of its proper divisors (963303).

2889897 is an equidigital number, since it uses as much as digits as its factorization.

2889897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963302.

The product of its digits is 580608, while the sum is 51.

The square root of 2889897 is about 1699.9697056124. The cubic root of 2889897 is about 142.4385207249.

The spelling of 2889897 in words is "two million, eight hundred eighty-nine thousand, eight hundred ninety-seven".