2269864 has 16 divisors (see below), whose sum is σ = 4284000. Its totient is φ = 1127472.

The previous prime is 2269853. The next prime is 2269867. The reversal of 2269864 is 4689622.

It is not an unprimeable number, because it can be changed into a prime (2269867) 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, 487 + ... + 2185.

It is an arithmetic number, because the mean of its divisors is an integer number (267750).

2^2269864 is an apocalyptic number.

It is an amenable number.

2269864 is a deficient number, since it is larger than the sum of its proper divisors (2014136).

2269864 is a wasteful number, since it uses less digits than its factorization.

2269864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1868 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 2269864 is about 1506.6067834707. The cubic root of 2269864 is about 131.4215582719.

The spelling of 2269864 in words is "two million, two hundred sixty-nine thousand, eight hundred sixty-four".