2289591 has 12 divisors (see below), whose sum is σ = 3357432. Its totient is φ = 1503216.

The previous prime is 2289583. The next prime is 2289593. The reversal of 2289591 is 1959822.

It is not a de Polignac number, because 2289591 - 2³ = 2289583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2289593) 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, 1296 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (279786).

2^2289591 is an apocalyptic number.

2289591 is a deficient number, since it is larger than the sum of its proper divisors (1067841).

2289591 is a wasteful number, since it uses less digits than its factorization.

2289591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3870 (or 3867 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 2289591 is about 1513.1394516039. The cubic root of 2289591 is about 131.8011814057.

The spelling of 2289591 in words is "two million, two hundred eighty-nine thousand, five hundred ninety-one".