2108635 has 4 divisors (see below), whose sum is σ = 2530368. Its totient is φ = 1686904.

The previous prime is 2108627. The next prime is 2108641. The reversal of 2108635 is 5368012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2108635 - 2³ = 2108627 is a prime.

It is a Duffinian 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, 210859 + ... + 210868.

It is an arithmetic number, because the mean of its divisors is an integer number (632592).

2^2108635 is an apocalyptic number.

2108635 is a deficient number, since it is larger than the sum of its proper divisors (421733).

2108635 is an equidigital number, since it uses as much as digits as its factorization.

2108635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421732.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2108635 is about 1452.1139762429. The cubic root of 2108635 is about 128.2331971243.

The spelling of 2108635 in words is "two million, one hundred eight thousand, six hundred thirty-five".