2301666 has 8 divisors (see below), whose sum is σ = 4603344. Its totient is φ = 767220.

The previous prime is 2301623. The next prime is 2301683. The reversal of 2301666 is 6661032.

2301666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

2301666 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 191800 + ... + 191811.

It is an arithmetic number, because the mean of its divisors is an integer number (575418).

2^2301666 is an apocalyptic number.

2301666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2301666 is a wasteful number, since it uses less digits than its factorization.

2301666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383616.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2301666 is about 1517.1242533161. The cubic root of 2301666 is about 132.0324759395.

Adding to 2301666 its reverse (6661032), we get a palindrome (8962698).

The spelling of 2301666 in words is "two million, three hundred one thousand, six hundred sixty-six".