2066831 has 8 divisors (see below), whose sum is σ = 2241120. Its totient is φ = 1894752.

The previous prime is 2066797. The next prime is 2066833. The reversal of 2066831 is 1386602.

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 2066831 - 2⁶ = 2066767 is a prime.

It is a super-2 number, since 2×2066831² = 8543580765122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066831.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790 + ... + 2708.

It is an arithmetic number, because the mean of its divisors is an integer number (280140).

2^2066831 is an apocalyptic number.

2066831 is a deficient number, since it is larger than the sum of its proper divisors (174289).

2066831 is a wasteful number, since it uses less digits than its factorization.

2066831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2066831 is about 1437.6477315393. The cubic root of 2066831 is about 127.3801205646.

The spelling of 2066831 in words is "two million, sixty-six thousand, eight hundred thirty-one".