3885639822 has 20 divisors (see below), whose sum is σ = 8706711816. Its totient is φ = 1295213220.

The previous prime is 3885639817. The next prime is 3885639847. The reversal of 3885639822 is 2289365883.

3885639822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11992554 + ... + 11992877.

Almost surely, 2^3885639822 is an apocalyptic number.

3885639822 is an abundant number, since it is smaller than the sum of its proper divisors (4821071994).

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

3885639822 is a wasteful number, since it uses less digits than its factorization.

3885639822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23985445 (or 23985436 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 3885639822 is about 62334.9005132759. The cubic root of 3885639822 is about 1572.1265922760.

The spelling of 3885639822 in words is "three billion, eight hundred eighty-five million, six hundred thirty-nine thousand, eight hundred twenty-two".