2887969 has 4 divisors (see below), whose sum is σ = 3300544. Its totient is φ = 2475396.

The previous prime is 2887939. The next prime is 2887979. The reversal of 2887969 is 9697882.

It is a happy number.

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 not a de Polignac number, because 2887969 - 2¹⁹ = 2363681 is a prime.

It is a super-2 number, since 2×2887969² = 16680729889922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2887939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206277 + ... + 206290.

It is an arithmetic number, because the mean of its divisors is an integer number (825136).

2^2887969 is an apocalyptic number.

It is an amenable number.

2887969 is a deficient number, since it is larger than the sum of its proper divisors (412575).

2887969 is an equidigital number, since it uses as much as digits as its factorization.

2887969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412574.

The product of its digits is 435456, while the sum is 49.

The square root of 2887969 is about 1699.4025420718. The cubic root of 2887969 is about 142.4068376393.

The spelling of 2887969 in words is "two million, eight hundred eighty-seven thousand, nine hundred sixty-nine".