2389717 has 8 divisors (see below), whose sum is σ = 2656800. Its totient is φ = 2130960.

The previous prime is 2389693. The next prime is 2389721. The reversal of 2389717 is 7179832.

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 2389717 - 2⁷ = 2389589 is a prime.

It is a Duffinian number.

2389717 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467 + ... + 2632.

It is an arithmetic number, because the mean of its divisors is an integer number (332100).

2^2389717 is an apocalyptic number.

It is an amenable number.

2389717 is a deficient number, since it is larger than the sum of its proper divisors (267083).

2389717 is a wasteful number, since it uses less digits than its factorization.

2389717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163.

The product of its digits is 21168, while the sum is 37.

The square root of 2389717 is about 1545.8709519232. The cubic root of 2389717 is about 133.6951001867.

The spelling of 2389717 in words is "two million, three hundred eighty-nine thousand, seven hundred seventeen".