2301966 has 32 divisors (see below), whose sum is σ = 5230080. Its totient is φ = 750168.

The previous prime is 2301941. The next prime is 2301973. The reversal of 2301966 is 6691032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2085 + ... + 2991.

It is an arithmetic number, because the mean of its divisors is an integer number (163440).

2^2301966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2301966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615040).

2301966 is an abundant number, since it is smaller than the sum of its proper divisors (2928114).

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

2301966 is a wasteful number, since it uses less digits than its factorization.

2301966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2301966 is about 1517.2231213635. The cubic root of 2301966 is about 132.0382120776.

2301966 divided by its sum of digits (27) gives a palindrome (85258).

Adding to 2301966 its reverse (6691032), we get a palindrome (8992998).

The spelling of 2301966 in words is "two million, three hundred one thousand, nine hundred sixty-six".