10839961 has 4 divisors (see below), whose sum is σ = 11825424. Its totient is φ = 9854500.

The previous prime is 10839953. The next prime is 10839967. The reversal of 10839961 is 16993801.

10839961 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16993801 = 11 ⋅1544891.

It is a cyclic number.

It is not a de Polignac number, because 10839961 - 2³ = 10839953 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 10839961.

It is not an unprimeable number, because it can be changed into a prime (10839967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492715 + ... + 492736.

It is an arithmetic number, because the mean of its divisors is an integer number (2956356).

Almost surely, 2^10839961 is an apocalyptic number.

10839961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10839961 is a deficient number, since it is larger than the sum of its proper divisors (985463).

10839961 is an equidigital number, since it uses as much as digits as its factorization.

10839961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985462.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 10839961 is about 3292.4096039223. The cubic root of 10839961 is about 221.3141795150.

The spelling of 10839961 in words is "ten million, eight hundred thirty-nine thousand, nine hundred sixty-one".