2879705 has 4 divisors (see below), whose sum is σ = 3455652. Its totient is φ = 2303760.

The previous prime is 2879699. The next prime is 2879713. The reversal of 2879705 is 5079782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 851929 + 2027776 = 923^2 + 1424^2 .

It is not a de Polignac number, because 2879705 - 2⁶ = 2879641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 287966 + ... + 287975.

It is an arithmetic number, because the mean of its divisors is an integer number (863913).

2^2879705 is an apocalyptic number.

It is an amenable number.

2879705 is a deficient number, since it is larger than the sum of its proper divisors (575947).

2879705 is an equidigital number, since it uses as much as digits as its factorization.

2879705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575946.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2879705 is about 1696.9693574134. The cubic root of 2879705 is about 142.2708742196.

The spelling of 2879705 in words is "two million, eight hundred seventy-nine thousand, seven hundred five".