3938102636 has 12 divisors (see below), whose sum is σ = 7421808912. Its totient is φ = 1817585808.

The previous prime is 3938102633. The next prime is 3938102699. The reversal of 3938102636 is 6362018393.

It is a junction number, because it is equal to n+sod(n) for n = 3938102593 and 3938102602.

It is not an unprimeable number, because it can be changed into a prime (3938102633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37866320 + ... + 37866423.

It is an arithmetic number, because the mean of its divisors is an integer number (618484076).

Almost surely, 2^3938102636 is an apocalyptic number.

It is an amenable number.

3938102636 is a deficient number, since it is larger than the sum of its proper divisors (3483706276).

3938102636 is a wasteful number, since it uses less digits than its factorization.

3938102636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75732760 (or 75732758 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 3938102636 is about 62754.3037249239. The cubic root of 3938102636 is about 1579.1704554248.

The spelling of 3938102636 in words is "three billion, nine hundred thirty-eight million, one hundred two thousand, six hundred thirty-six".