2160943 has 4 divisors (see below), whose sum is σ = 2173608. Its totient is φ = 2148280.

The previous prime is 2160937. The next prime is 2160953. The reversal of 2160943 is 3490612.

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

It is a cyclic number.

It is not a de Polignac number, because 2160943 - 2¹⁷ = 2029871 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6073 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (543402).

2^2160943 is an apocalyptic number.

2160943 is a deficient number, since it is larger than the sum of its proper divisors (12665).

2160943 is a wasteful number, since it uses less digits than its factorization.

2160943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2160943 is about 1470.0146257776. The cubic root of 2160943 is about 129.2848900717.

The spelling of 2160943 in words is "two million, one hundred sixty thousand, nine hundred forty-three".