2100886 has 8 divisors (see below), whose sum is σ = 3158280. Its totient is φ = 1048128.

The previous prime is 2100869. The next prime is 2100893. The reversal of 2100886 is 6880012.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2100886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (394785).

2^2100886 is an apocalyptic number.

2100886 is a deficient number, since it is larger than the sum of its proper divisors (1057394).

2100886 is a wasteful number, since it uses less digits than its factorization.

2100886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 2100886 is about 1449.4433414246. The cubic root of 2100886 is about 128.0759233815.

Adding to 2100886 its reverse (6880012), we get a palindrome (8980898).

The spelling of 2100886 in words is "two million, one hundred thousand, eight hundred eighty-six".