10839505 has 8 divisors (see below), whose sum is σ = 13127400. Its totient is φ = 8591616.

The previous prime is 10839497. The next prime is 10839527. The reversal of 10839505 is 50593801.

10839505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4443664 + 6395841 = 2108^2 + 2529^2 .

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 10839505 - 2³ = 10839497 is a prime.

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, 9400 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (1640925).

Almost surely, 2^10839505 is an apocalyptic number.

It is an amenable number.

10839505 is a deficient number, since it is larger than the sum of its proper divisors (2287895).

10839505 is a wasteful number, since it uses less digits than its factorization.

10839505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20003.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 10839505 is about 3292.3403530012. The cubic root of 10839505 is about 221.3110761618.

The spelling of 10839505 in words is "ten million, eight hundred thirty-nine thousand, five hundred five".