2100366 has 12 divisors (see below), whose sum is σ = 4550832. Its totient is φ = 700116.

The previous prime is 2100353. The next prime is 2100377. The reversal of 2100366 is 6630012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 116687 = 2100366 / (2 + 1 + 0 + 0 + 3 + 6 + 6).

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 58326 + ... + 58361.

It is an arithmetic number, because the mean of its divisors is an integer number (379236).

2^2100366 is an apocalyptic number.

2100366 is an abundant number, since it is smaller than the sum of its proper divisors (2450466).

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

2100366 is a wasteful number, since it uses less digits than its factorization.

2100366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116695 (or 116692 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2100366 is about 1449.2639511145. The cubic root of 2100366 is about 128.0653556217.

Adding to 2100366 its reverse (6630012), we get a palindrome (8730378).

The spelling of 2100366 in words is "two million, one hundred thousand, three hundred sixty-six".