2107705 has 8 divisors (see below), whose sum is σ = 2597832. Its totient is φ = 1640448.

The previous prime is 2107669. The next prime is 2107709. The reversal of 2107705 is 5077012.

It can be written as a sum of positive squares in 4 ways, for example, as 826281 + 1281424 = 909^2 + 1132^2 .

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 2107705 - 2¹⁷ = 1976633 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 (2107709) 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, 5512 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (324729).

2^2107705 is an apocalyptic number.

It is an amenable number.

2107705 is a deficient number, since it is larger than the sum of its proper divisors (490127).

2107705 is a wasteful number, since it uses less digits than its factorization.

2107705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 2107705 is about 1451.7937181294. The cubic root of 2107705 is about 128.2143422079.

The spelling of 2107705 in words is "two million, one hundred seven thousand, seven hundred five".