2159662 has 4 divisors (see below), whose sum is σ = 3239496. Its totient is φ = 1079830.

The previous prime is 2159639. The next prime is 2159669. The reversal of 2159662 is 2669512.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539914 + ... + 539917.

It is an arithmetic number, because the mean of its divisors is an integer number (809874).

2^2159662 is an apocalyptic number.

2159662 is a deficient number, since it is larger than the sum of its proper divisors (1079834).

2159662 is a wasteful number, since it uses less digits than its factorization.

2159662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079833.

The product of its digits is 6480, while the sum is 31.

The square root of 2159662 is about 1469.5788512360. The cubic root of 2159662 is about 129.2593384675.

The spelling of 2159662 in words is "two million, one hundred fifty-nine thousand, six hundred sixty-two".