2066979 has 8 divisors (see below), whose sum is σ = 2918160. Its totient is φ = 1296896.

The previous prime is 2066971. The next prime is 2066989. The reversal of 2066979 is 9796602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2066979 - 2³ = 2066971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20214 + ... + 20315.

It is an arithmetic number, because the mean of its divisors is an integer number (364770).

2^2066979 is an apocalyptic number.

2066979 is a deficient number, since it is larger than the sum of its proper divisors (851181).

2066979 is a wasteful number, since it uses less digits than its factorization.

2066979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40549.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 2066979 is about 1437.6992035888. The cubic root of 2066979 is about 127.3831609370.

The spelling of 2066979 in words is "two million, sixty-six thousand, nine hundred seventy-nine".