10847891 has 4 divisors (see below), whose sum is σ = 10857000. Its totient is φ = 10838784.

The previous prime is 10847869. The next prime is 10847897. The reversal of 10847891 is 19874801.

10847891 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 brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10847891 - 2¹⁴ = 10831507 is a prime.

It is a super-3 number, since 3×10847891³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10847897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2441 + ... + 5258.

It is an arithmetic number, because the mean of its divisors is an integer number (2714250).

Almost surely, 2^10847891 is an apocalyptic number.

10847891 is a deficient number, since it is larger than the sum of its proper divisors (9109).

10847891 is an equidigital number, since it uses as much as digits as its factorization.

10847891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9108.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 10847891 is about 3293.6136689053. The cubic root of 10847891 is about 221.3681340035.

The spelling of 10847891 in words is "ten million, eight hundred forty-seven thousand, eight hundred ninety-one".