2389105 has 4 divisors (see below), whose sum is σ = 2866932. Its totient is φ = 1911280.

The previous prime is 2389103. The next prime is 2389109. The reversal of 2389105 is 5019832.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1656369 + 732736 = 1287^2 + 856^2 .

It is not a de Polignac number, because 2389105 - 2¹ = 2389103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2389103) 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, 238906 + ... + 238915.

It is an arithmetic number, because the mean of its divisors is an integer number (716733).

2^2389105 is an apocalyptic number.

It is an amenable number.

2389105 is a deficient number, since it is larger than the sum of its proper divisors (477827).

2389105 is an equidigital number, since it uses as much as digits as its factorization.

2389105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477826.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2389105 is about 1545.6729925828. The cubic root of 2389105 is about 133.6836862289.

The spelling of 2389105 in words is "two million, three hundred eighty-nine thousand, one hundred five".