2159717 has 8 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 1787184.

The previous prime is 2159713. The next prime is 2159719. The reversal of 2159717 is 7179512.

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

It is not a de Polignac number, because 2159717 - 2² = 2159713 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159713) 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, 5117 + ... + 5522.

It is an arithmetic number, because the mean of its divisors is an integer number (319200).

2^2159717 is an apocalyptic number.

It is an amenable number.

2159717 is a deficient number, since it is larger than the sum of its proper divisors (393883).

2159717 is a wasteful number, since it uses less digits than its factorization.

2159717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675.

The product of its digits is 4410, while the sum is 32.

The square root of 2159717 is about 1469.5975639610. The cubic root of 2159717 is about 129.2604357385.

The spelling of 2159717 in words is "two million, one hundred fifty-nine thousand, seven hundred seventeen".