2084779 has 4 divisors (see below), whose sum is σ = 2129184. Its totient is φ = 2040376.

The previous prime is 2084777. The next prime is 2084783. The reversal of 2084779 is 9774802.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9774802 = 2 ⋅4887401.

It is a cyclic number.

It is not a de Polignac number, because 2084779 - 2¹ = 2084777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2084777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22132 + ... + 22225.

It is an arithmetic number, because the mean of its divisors is an integer number (532296).

2^2084779 is an apocalyptic number.

2084779 is a deficient number, since it is larger than the sum of its proper divisors (44405).

2084779 is an equidigital number, since it uses as much as digits as its factorization.

2084779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44404.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2084779 is about 1443.8763797500. The cubic root of 2084779 is about 127.7477739817.

The spelling of 2084779 in words is "two million, eighty-four thousand, seven hundred seventy-nine".