3888864 has 96 divisors (see below), whose sum is σ = 12983040. Its totient is φ = 1109376.

The previous prime is 3888851. The next prime is 3888887. The reversal of 3888864 is 4688883.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5727 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (135240).

Almost surely, 2^3888864 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 3888864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6491520).

3888864 is an abundant number, since it is smaller than the sum of its proper divisors (9094176).

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

3888864 is a wasteful number, since it uses less digits than its factorization.

3888864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 655 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 3888864 is about 1972.0202838713. The cubic root of 3888864 is about 157.2561305294.

The spelling of 3888864 in words is "three million, eight hundred eighty-eight thousand, eight hundred sixty-four".