3864605080 has 128 divisors (see below), whose sum is σ = 10477486080. Its totient is φ = 1254850560.

The previous prime is 3864605077. The next prime is 3864605099. The reversal of 3864605080 is 805064683.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403224 + ... + 412696.

It is an arithmetic number, because the mean of its divisors is an integer number (81855360).

Almost surely, 2^3864605080 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 3864605080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5238743040).

3864605080 is an abundant number, since it is smaller than the sum of its proper divisors (6612881000).

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

3864605080 is a wasteful number, since it uses less digits than its factorization.

3864605080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9569 (or 9565 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 3864605080 is about 62165.9479136287. The cubic root of 3864605080 is about 1569.2845780970.

The spelling of 3864605080 in words is "three billion, eight hundred sixty-four million, six hundred five thousand, eighty".