2066863 has 8 divisors (see below), whose sum is σ = 2170496. Its totient is φ = 1965600.

The previous prime is 2066833. The next prime is 2066879. The reversal of 2066863 is 3686602.

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 2066863 - 2¹³ = 2058671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

2066863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066833) 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, 1345 + ... + 2437.

It is an arithmetic number, because the mean of its divisors is an integer number (271312).

2^2066863 is an apocalyptic number.

2066863 is a deficient number, since it is larger than the sum of its proper divisors (103633).

2066863 is a wasteful number, since it uses less digits than its factorization.

2066863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2066863 is about 1437.6588607872. The cubic root of 2066863 is about 127.3807779547.

The spelling of 2066863 in words is "two million, sixty-six thousand, eight hundred sixty-three".