3886518628 has 48 divisors (see below), whose sum is σ = 7422166080. Its totient is φ = 1774348416.

The previous prime is 3886518619. The next prime is 3886518641. The reversal of 3886518628 is 8268156883.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 294426 + ... + 307342.

It is an arithmetic number, because the mean of its divisors is an integer number (154628460).

Almost surely, 2^3886518628 is an apocalyptic number.

3886518628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3886518628 is a deficient number, since it is larger than the sum of its proper divisors (3535647452).

3886518628 is a wasteful number, since it uses less digits than its factorization.

3886518628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13084 (or 13082 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 55.

The square root of 3886518628 is about 62341.9491835153. The cubic root of 3886518628 is about 1572.2451047305.

The spelling of 3886518628 in words is "three billion, eight hundred eighty-six million, five hundred eighteen thousand, six hundred twenty-eight".