10889864 has 16 divisors (see below), whose sum is σ = 20497920. Its totient is φ = 5423760.

The previous prime is 10889779. The next prime is 10889891. The reversal of 10889864 is 46898801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344 + ... + 4679.

It is an arithmetic number, because the mean of its divisors is an integer number (1281120).

Almost surely, 2^10889864 is an apocalyptic number.

It is an amenable number.

10889864 is a deficient number, since it is larger than the sum of its proper divisors (9608056).

10889864 is a wasteful number, since it uses less digits than its factorization.

10889864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300 (or 5296 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 10889864 is about 3299.9793938751. The cubic root of 10889864 is about 221.6532747357.

The spelling of 10889864 in words is "ten million, eight hundred eighty-nine thousand, eight hundred sixty-four".