3862221684 has 24 divisors (see below), whose sum is σ = 9013038048. Its totient is φ = 1287237600.

The previous prime is 3862221683. The next prime is 3862221697. The reversal of 3862221684 is 4861222683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3862221683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102559 + ... + 135065.

It is an arithmetic number, because the mean of its divisors is an integer number (375543252).

Almost surely, 2^3862221684 is an apocalyptic number.

It is an amenable number.

3862221684 is an abundant number, since it is smaller than the sum of its proper divisors (5150816364).

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

3862221684 is a wasteful number, since it uses less digits than its factorization.

3862221684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42415 (or 42413 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 3862221684 is about 62146.7753306638. The cubic root of 3862221684 is about 1568.9619064252.

Subtracting 3862221684 from its reverse (4861222683), we obtain a palindrome (999000999).

It can be divided in two parts, 38622 and 21684, that added together give a palindrome (60306).

The spelling of 3862221684 in words is "three billion, eight hundred sixty-two million, two hundred twenty-one thousand, six hundred eighty-four".