2296681 has 4 divisors (see below), whose sum is σ = 2306772. Its totient is φ = 2286592.

The previous prime is 2296661. The next prime is 2296687. The reversal of 2296681 is 1866922.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 648025 + 1648656 = 805^2 + 1284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2296681 is a prime.

It is a super-2 number, since 2×2296681² = 10549487231522, which contains 22 as substring.

It is a Duffinian number.

2296681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2296687) 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, 4696 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (576693).

2^2296681 is an apocalyptic number.

It is an amenable number.

2296681 is a deficient number, since it is larger than the sum of its proper divisors (10091).

2296681 is an equidigital number, since it uses as much as digits as its factorization.

2296681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090.

The product of its digits is 10368, while the sum is 34.

The square root of 2296681 is about 1515.4804518700. The cubic root of 2296681 is about 131.9370874059.

The spelling of 2296681 in words is "two million, two hundred ninety-six thousand, six hundred eighty-one".