2389687 has 8 divisors (see below), whose sum is σ = 2602800. Its totient is φ = 2185344.

The previous prime is 2389669. The next prime is 2389693. The reversal of 2389687 is 7869832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2389687 - 2¹⁵ = 2356919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618 + ... + 2719.

It is an arithmetic number, because the mean of its divisors is an integer number (325350).

2^2389687 is an apocalyptic number.

2389687 is a deficient number, since it is larger than the sum of its proper divisors (213113).

2389687 is a wasteful number, since it uses less digits than its factorization.

2389687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its digits is 145152, while the sum is 43.

The square root of 2389687 is about 1545.8612486249. The cubic root of 2389687 is about 133.6945407244.

The spelling of 2389687 in words is "two million, three hundred eighty-nine thousand, six hundred eighty-seven".