10861864 has 32 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 4939200.

The previous prime is 10861859. The next prime is 10861867. The reversal of 10861864 is 46816801.

10861864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10861867) 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, 6649 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (695520).

Almost surely, 2^10861864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10861864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11128320).

10861864 is an abundant number, since it is smaller than the sum of its proper divisors (11394776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10861864 is a wasteful number, since it uses less digits than its factorization.

10861864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 10861864 is about 3295.7342125845. The cubic root of 10861864 is about 221.4631401755.

The spelling of 10861864 in words is "ten million, eight hundred sixty-one thousand, eight hundred sixty-four".