10785917 has 4 divisors (see below), whose sum is σ = 10806396. Its totient is φ = 10765440.

The previous prime is 10785899. The next prime is 10785953. The reversal of 10785917 is 71958701.

10785917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71958701 = 59 ⋅1219639.

It can be written as a sum of positive squares in 2 ways, for example, as 3024121 + 7761796 = 1739^2 + 2786^2 .

It is a cyclic number.

It is not a de Polignac number, because 10785917 - 2¹² = 10781821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10785997) 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, 9428 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (2701599).

Almost surely, 2^10785917 is an apocalyptic number.

It is an amenable number.

10785917 is a deficient number, since it is larger than the sum of its proper divisors (20479).

10785917 is an equidigital number, since it uses as much as digits as its factorization.

10785917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 10785917 is about 3284.1919858620. The cubic root of 10785917 is about 220.9457699497.

The spelling of 10785917 in words is "ten million, seven hundred eighty-five thousand, nine hundred seventeen".