2107863 has 20 divisors (see below), whose sum is σ = 3214728. Its totient is φ = 1375920.

The previous prime is 2107849. The next prime is 2107867. The reversal of 2107863 is 3687012.

It is not a de Polignac number, because 2107863 - 2⁸ = 2107607 is a prime.

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

It is a d-powerful number, because it can be written as 2¹³ + 1 + 0 + 7⁴ + 8⁷ + 6² + 3⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107867) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4048 + ... + 4538.

2^2107863 is an apocalyptic number.

2107863 is a deficient number, since it is larger than the sum of its proper divisors (1106865).

2107863 is an equidigital number, since it uses as much as digits as its factorization.

2107863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2107863 is about 1451.8481325538. The cubic root of 2107863 is about 128.2175459073.

The spelling of 2107863 in words is "two million, one hundred seven thousand, eight hundred sixty-three".