2103986 has 8 divisors (see below), whose sum is σ = 3167004. Its totient is φ = 1048320.

The previous prime is 2103977. The next prime is 2103989. The reversal of 2103986 is 6893012.

It can be written as a sum of positive squares in 2 ways, for example, as 2002225 + 101761 = 1415^2 + 319^2 .

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 (2103989) 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, 1055 + ... + 2306.

2^2103986 is an apocalyptic number.

2103986 is a deficient number, since it is larger than the sum of its proper divisors (1063018).

2103986 is a wasteful number, since it uses less digits than its factorization.

2103986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2103986 is about 1450.5123232844. The cubic root of 2103986 is about 128.1388873307.

Adding to 2103986 its reverse (6893012), we get a palindrome (8996998).

The spelling of 2103986 in words is "two million, one hundred three thousand, nine hundred eighty-six".