2061979 has 8 divisors (see below), whose sum is σ = 2140160. Its totient is φ = 1985256.

The previous prime is 2061971. The next prime is 2062001. The reversal of 2061979 is 9791602.

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 2061979 - 2³ = 2061971 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 (2061971) 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, 3094 + ... + 3700.

It is an arithmetic number, because the mean of its divisors is an integer number (267520).

2^2061979 is an apocalyptic number.

2061979 is a deficient number, since it is larger than the sum of its proper divisors (78181).

2061979 is an equidigital number, since it uses as much as digits as its factorization.

2061979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2061979 is about 1435.9592612606. The cubic root of 2061979 is about 127.2803651724.

The spelling of 2061979 in words is "two million, sixty-one thousand, nine hundred seventy-nine".