2365666 has 8 divisors (see below), whose sum is σ = 3591504. Its totient is φ = 1168500.

The previous prime is 2365639. The next prime is 2365667. The reversal of 2365666 is 6665632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2365667) 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, 6960 + ... + 7291.

It is an arithmetic number, because the mean of its divisors is an integer number (448938).

2^2365666 is an apocalyptic number.

2365666 is a deficient number, since it is larger than the sum of its proper divisors (1225838).

2365666 is a wasteful number, since it uses less digits than its factorization.

2365666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14336.

The product of its digits is 38880, while the sum is 34.

The square root of 2365666 is about 1538.0721699582. The cubic root of 2365666 is about 133.2450679710.

Subtracting from 2365666 its sum of digits (34), we obtain a palindrome (2365632).

The spelling of 2365666 in words is "two million, three hundred sixty-five thousand, six hundred sixty-six".