2108959 has 4 divisors (see below), whose sum is σ = 2140504. Its totient is φ = 2077416.

The previous prime is 2108957. The next prime is 2108983. The reversal of 2108959 is 9598012.

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 2108959 - 2¹ = 2108957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108957) 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, 15672 + ... + 15805.

It is an arithmetic number, because the mean of its divisors is an integer number (535126).

2^2108959 is an apocalyptic number.

2108959 is a deficient number, since it is larger than the sum of its proper divisors (31545).

2108959 is an equidigital number, since it uses as much as digits as its factorization.

2108959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31544.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 2108959 is about 1452.2255334486. The cubic root of 2108959 is about 128.2397646317.

The spelling of 2108959 in words is "two million, one hundred eight thousand, nine hundred fifty-nine".