3828547866 has 128 divisors (see below), whose sum is σ = 9580032000. Its totient is φ = 1002101760.

The previous prime is 3828547859. The next prime is 3828547903. The reversal of 3828547866 is 6687458283.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2901955 + ... + 2903273.

It is an arithmetic number, because the mean of its divisors is an integer number (74844000).

Almost surely, 2^3828547866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3828547866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4790016000).

3828547866 is an abundant number, since it is smaller than the sum of its proper divisors (5751484134).

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

3828547866 is a wasteful number, since it uses less digits than its factorization.

3828547866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its digits is 15482880, while the sum is 57.

The square root of 3828547866 is about 61875.2605327848. The cubic root of 3828547866 is about 1564.3887845134.

The spelling of 3828547866 in words is "three billion, eight hundred twenty-eight million, five hundred forty-seven thousand, eight hundred sixty-six".