2066943 has 8 divisors (see below), whose sum is σ = 2768688. Its totient is φ = 1371584.

The previous prime is 2066929. The next prime is 2066951. The reversal of 2066943 is 3496602.

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 2066943 - 2⁶ = 2066879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2066943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066903) 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, 780 + ... + 2177.

It is an arithmetic number, because the mean of its divisors is an integer number (346086).

2^2066943 is an apocalyptic number.

2066943 is a deficient number, since it is larger than the sum of its proper divisors (701745).

2066943 is a wasteful number, since it uses less digits than its factorization.

2066943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 2066943 is about 1437.6866835302. The cubic root of 2066943 is about 127.3824214003.

The spelling of 2066943 in words is "two million, sixty-six thousand, nine hundred forty-three".