2133868 has 12 divisors (see below), whose sum is σ = 4073832. Its totient is φ = 969920.

The previous prime is 2133839. The next prime is 2133899. The reversal of 2133868 is 8683312.

2133868 is nontrivially palindromic in base 9.

2133868 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24205 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (339486).

2^2133868 is an apocalyptic number.

It is an amenable number.

2133868 is a deficient number, since it is larger than the sum of its proper divisors (1939964).

2133868 is a wasteful number, since it uses less digits than its factorization.

2133868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48512 (or 48510 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 2133868 is about 1460.7765058352. The cubic root of 2133868 is about 128.7426715281.

The spelling of 2133868 in words is "two million, one hundred thirty-three thousand, eight hundred sixty-eight".