2305668 has 24 divisors (see below), whose sum is σ = 5407360. Its totient is φ = 764640.

The previous prime is 2305651. The next prime is 2305691. The reversal of 2305668 is 8665032.

2305668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2305668² = 10632209852448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898 + ... + 3606.

2^2305668 is an apocalyptic number.

It is an amenable number.

2305668 is an abundant number, since it is smaller than the sum of its proper divisors (3101692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2305668 is a wasteful number, since it uses less digits than its factorization.

2305668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2305668 is about 1518.4426232163. The cubic root of 2305668 is about 132.1089550373.

The spelling of 2305668 in words is "two million, three hundred five thousand, six hundred sixty-eight".