2103766 has 12 divisors (see below), whose sum is σ = 3671028. Its totient is φ = 901572.

The previous prime is 2103749. The next prime is 2103769. The reversal of 2103766 is 6673012.

It is a self number, because there is not a number n which added to its sum of digits gives 2103766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10636 + ... + 10831.

It is an arithmetic number, because the mean of its divisors is an integer number (305919).

2^2103766 is an apocalyptic number.

2103766 is a deficient number, since it is larger than the sum of its proper divisors (1567262).

2103766 is a wasteful number, since it uses less digits than its factorization.

2103766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21483 (or 21476 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2103766 is about 1450.4364860276. The cubic root of 2103766 is about 128.1344209610.

Adding to 2103766 its reverse (6673012), we get a palindrome (8776778).

The spelling of 2103766 in words is "two million, one hundred three thousand, seven hundred sixty-six".