10839903 has 4 divisors (see below), whose sum is σ = 14453208. Its totient is φ = 7226600.

The previous prime is 10839889. The next prime is 10839911. The reversal of 10839903 is 30993801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30993801 = 3 ⋅10331267.

It is a cyclic number.

It is not a de Polignac number, because 10839903 - 2⁶ = 10839839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10839943) 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, 1806648 + ... + 1806653.

It is an arithmetic number, because the mean of its divisors is an integer number (3613302).

Almost surely, 2^10839903 is an apocalyptic number.

10839903 is a deficient number, since it is larger than the sum of its proper divisors (3613305).

10839903 is an equidigital number, since it uses as much as digits as its factorization.

10839903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613304.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 10839903 is about 3292.4007957720. The cubic root of 10839903 is about 221.3137847951.

The spelling of 10839903 in words is "ten million, eight hundred thirty-nine thousand, nine hundred three".