2889591 has 8 divisors (see below), whose sum is σ = 3864960. Its totient is φ = 1920312.

The previous prime is 2889587. The next prime is 2889599. The reversal of 2889591 is 1959882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2889591 - 2² = 2889587 is a prime.

It is a super-2 number, since 2×2889591² = 16699472294562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889599) 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 7 ways as a sum of consecutive naturals, for example, 265 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (483120).

2^2889591 is an apocalyptic number.

2889591 is a deficient number, since it is larger than the sum of its proper divisors (975369).

2889591 is a wasteful number, since it uses less digits than its factorization.

2889591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045.

The product of its digits is 51840, while the sum is 42.

The square root of 2889591 is about 1699.8797016260. The cubic root of 2889591 is about 142.4334931264.

The spelling of 2889591 in words is "two million, eight hundred eighty-nine thousand, five hundred ninety-one".