2286591 has 16 divisors (see below), whose sum is σ = 3287040. Its totient is φ = 1409760.

The previous prime is 2286589. The next prime is 2286601. The reversal of 2286591 is 1956822.

2286591 = T₂₄₀ + T₂₄₁ + ... + T₃₀₁.

2286591 is a nontrivial binomial coefficient, being equal to C(2139, 2).

It is not a de Polignac number, because 2286591 - 2¹ = 2286589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (205440).

2^2286591 is an apocalyptic number.

2286591 is the 2138-th triangular number.

2286591 is a deficient number, since it is larger than the sum of its proper divisors (1000449).

2286591 is a wasteful number, since it uses less digits than its factorization.

2286591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its digits is 8640, while the sum is 33.

The square root of 2286591 is about 1512.1478102355. The cubic root of 2286591 is about 131.7435908628.

The spelling of 2286591 in words is "two million, two hundred eighty-six thousand, five hundred ninety-one".