2286643 has 4 divisors (see below), whose sum is σ = 2320840. Its totient is φ = 2252448.

The previous prime is 2286629. The next prime is 2286649. The reversal of 2286643 is 3466822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2286643 - 2²¹ = 189491 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2¹⁹ + 8 + 6⁶ + 6⁸ + 4⁷ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286649) 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, 16998 + ... + 17131.

It is an arithmetic number, because the mean of its divisors is an integer number (580210).

2^2286643 is an apocalyptic number.

2286643 is a deficient number, since it is larger than the sum of its proper divisors (34197).

2286643 is an equidigital number, since it uses as much as digits as its factorization.

2286643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34196.

The product of its digits is 13824, while the sum is 31.

The square root of 2286643 is about 1512.1650042241. The cubic root of 2286643 is about 131.7445895278.

The spelling of 2286643 in words is "two million, two hundred eighty-six thousand, six hundred forty-three".