3886538236 has 24 divisors (see below), whose sum is σ = 8182186880. Its totient is φ = 1577992752.

The previous prime is 3886538171. The next prime is 3886538237. The reversal of 3886538236 is 6328356883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886538237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652230 + ... + 3653293.

Almost surely, 2^3886538236 is an apocalyptic number.

It is an amenable number.

3886538236 is an abundant number, since it is smaller than the sum of its proper divisors (4295648644).

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

3886538236 is a wasteful number, since it uses less digits than its factorization.

3886538236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7305553 (or 7305551 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 52.

The square root of 3886538236 is about 62342.1064450023. The cubic root of 3886538236 is about 1572.2477487875.

The spelling of 3886538236 in words is "three billion, eight hundred eighty-six million, five hundred thirty-eight thousand, two hundred thirty-six".