10855864 has 32 divisors (see below), whose sum is σ = 20952000. Its totient is φ = 5271552.

The previous prime is 10855861. The next prime is 10855879. The reversal of 10855864 is 46855801.

10855864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10855861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56152 + ... + 56344.

It is an arithmetic number, because the mean of its divisors is an integer number (654750).

Almost surely, 2^10855864 is an apocalyptic number.

It is an amenable number.

10855864 is a deficient number, since it is larger than the sum of its proper divisors (10096136).

10855864 is a wasteful number, since it uses less digits than its factorization.

10855864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 10855864 is about 3294.8238192656. The cubic root of 10855864 is about 221.4223545552.

The spelling of 10855864 in words is "ten million, eight hundred fifty-five thousand, eight hundred sixty-four".