3868704 has 144 divisors (see below), whose sum is σ = 13366080. Its totient is φ = 1036800.

The previous prime is 3868699. The next prime is 3868717. The reversal of 3868704 is 4078683.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38254 + ... + 38354.

It is an arithmetic number, because the mean of its divisors is an integer number (92820).

Almost surely, 2^3868704 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 3868704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6683040).

3868704 is an abundant number, since it is smaller than the sum of its proper divisors (9497376).

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

3868704 is a wasteful number, since it uses less digits than its factorization.

3868704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3868704 is about 1966.9021327966. The cubic root of 3868704 is about 156.9839192693.

The spelling of 3868704 in words is "three million, eight hundred sixty-eight thousand, seven hundred four".