2296991 has 4 divisors (see below), whose sum is σ = 2305800. Its totient is φ = 2288184.

The previous prime is 2296979. The next prime is 2296999. The reversal of 2296991 is 1996922.

2296991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2296991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2296999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4001 + ... + 4538.

It is an arithmetic number, because the mean of its divisors is an integer number (576450).

2^2296991 is an apocalyptic number.

2296991 is a deficient number, since it is larger than the sum of its proper divisors (8809).

2296991 is an equidigital number, since it uses as much as digits as its factorization.

2296991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808.

The product of its digits is 17496, while the sum is 38.

The square root of 2296991 is about 1515.5827262146. The cubic root of 2296991 is about 131.9430233133.

The spelling of 2296991 in words is "two million, two hundred ninety-six thousand, nine hundred ninety-one".