3860864 has 64 divisors (see below), whose sum is σ = 9139200. Its totient is φ = 1589760.

The previous prime is 3860863. The next prime is 3860867. The reversal of 3860864 is 4680683.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860863) 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, 27707 + ... + 27845.

It is an arithmetic number, because the mean of its divisors is an integer number (142800).

Almost surely, 2^3860864 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 3860864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4569600).

3860864 is an abundant number, since it is smaller than the sum of its proper divisors (5278336).

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

3860864 is a wasteful number, since it uses less digits than its factorization.

3860864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 3860864 is about 1964.9081403465. The cubic root of 3860864 is about 156.8778039530.

The spelling of 3860864 in words is "three million, eight hundred sixty thousand, eight hundred sixty-four".