2385689 has 4 divisors (see below), whose sum is σ = 2430756. Its totient is φ = 2340624.

The previous prime is 2385679. The next prime is 2385701. The reversal of 2385689 is 9865832.

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 739600 + 1646089 = 860^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 2385689 - 2⁸ = 2385433 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3⁷ + 8³ + 5⁵ + 6⁷ + 8⁷ + 9³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2385619) 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, 22454 + ... + 22559.

It is an arithmetic number, because the mean of its divisors is an integer number (607689).

2^2385689 is an apocalyptic number.

It is an amenable number.

2385689 is a deficient number, since it is larger than the sum of its proper divisors (45067).

2385689 is an equidigital number, since it uses as much as digits as its factorization.

2385689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45066.

The product of its digits is 103680, while the sum is 41.

The square root of 2385689 is about 1544.5675770260. The cubic root of 2385689 is about 133.6199411173.

The spelling of 2385689 in words is "two million, three hundred eighty-five thousand, six hundred eighty-nine".