10868891 has 8 divisors (see below), whose sum is σ = 12109824. Its totient is φ = 9670120.

The previous prime is 10868867. The next prime is 10868909. The reversal of 10868891 is 19886801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10868891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10868791) 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 7 ways as a sum of consecutive naturals, for example, 9995 + ... + 11028.

It is an arithmetic number, because the mean of its divisors is an integer number (1513728).

Almost surely, 2^10868891 is an apocalyptic number.

10868891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10868891 is a deficient number, since it is larger than the sum of its proper divisors (1240933).

10868891 is a wasteful number, since it uses less digits than its factorization.

10868891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21081.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 10868891 is about 3296.8001152633. The cubic root of 10868891 is about 221.5108878430.

The spelling of 10868891 in words is "ten million, eight hundred sixty-eight thousand, eight hundred ninety-one".