2159682 has 16 divisors (see below), whose sum is σ = 4936512. Its totient is φ = 617040.

The previous prime is 2159681. The next prime is 2159701. The reversal of 2159682 is 2869512.

It is a super-2 number, since 2×2159682² = 9328452682248, which contains 22 as substring.

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 (2159681) 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, 25669 + ... + 25752.

It is an arithmetic number, because the mean of its divisors is an integer number (308532).

2^2159682 is an apocalyptic number.

2159682 is an abundant number, since it is smaller than the sum of its proper divisors (2776830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2159682 is a wasteful number, since it uses less digits than its factorization.

2159682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51433.

The product of its digits is 8640, while the sum is 33.

The square root of 2159682 is about 1469.5856558908. The cubic root of 2159682 is about 129.2597374773.

The spelling of 2159682 in words is "two million, one hundred fifty-nine thousand, six hundred eighty-two".