2311868 has 24 divisors (see below), whose sum is σ = 4548768. Its totient is φ = 1020096.

The previous prime is 2311861. The next prime is 2311873. The reversal of 2311868 is 8681132.

2311868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2311868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311861) 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 7 ways as a sum of consecutive naturals, for example, 230 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (189532).

2^2311868 is an apocalyptic number.

It is an amenable number.

2311868 is a deficient number, since it is larger than the sum of its proper divisors (2236900).

2311868 is a wasteful number, since it uses less digits than its factorization.

2311868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973 (or 1971 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 2311868 is about 1520.4828180548. The cubic root of 2311868 is about 132.2272638376.

The spelling of 2311868 in words is "two million, three hundred eleven thousand, eight hundred sixty-eight".