3881637486 has 24 divisors (see below), whose sum is σ = 8422239384. Its totient is φ = 1292029200.

The previous prime is 3881637437. The next prime is 3881637499. The reversal of 3881637486 is 6847361883.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141196 + ... + 166431.

It is an arithmetic number, because the mean of its divisors is an integer number (350926641).

Almost surely, 2^3881637486 is an apocalyptic number.

3881637486 is an abundant number, since it is smaller than the sum of its proper divisors (4540601898).

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

3881637486 is a wasteful number, since it uses less digits than its factorization.

3881637486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308336 (or 308333 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 3881637486 is about 62302.7887497823. The cubic root of 3881637486 is about 1571.5866262502.

The spelling of 3881637486 in words is "three billion, eight hundred eighty-one million, six hundred thirty-seven thousand, four hundred eighty-six".