2056705 has 8 divisors (see below), whose sum is σ = 2820672. Its totient is φ = 1410288.

The previous prime is 2056697. The next prime is 2056727. The reversal of 2056705 is 5076502.

2056705 = 449² + 450² + ... + 458².

It is a happy number.

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 2056705 - 2³ = 2056697 is a prime.

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 2056705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29347 + ... + 29416.

It is an arithmetic number, because the mean of its divisors is an integer number (352584).

2^2056705 is an apocalyptic number.

It is an amenable number.

2056705 is a deficient number, since it is larger than the sum of its proper divisors (763967).

2056705 is an equidigital number, since it uses as much as digits as its factorization.

2056705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58775.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 2056705 is about 1434.1216824245. The cubic root of 2056705 is about 127.1717559549.

The spelling of 2056705 in words is "two million, fifty-six thousand, seven hundred five".