3938662008 has 96 divisors (see below), whose sum is σ = 10793109600. Its totient is φ = 1297465344.

The previous prime is 3938661973. The next prime is 3938662009. The reversal of 3938662008 is 8002668393.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938662009) 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 23 ways as a sum of consecutive naturals, for example, 4694053 + ... + 4694891.

It is an arithmetic number, because the mean of its divisors is an integer number (112428225).

Almost surely, 2^3938662008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3938662008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5396554800).

3938662008 is an abundant number, since it is smaller than the sum of its proper divisors (6854447592).

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

3938662008 is a wasteful number, since it uses less digits than its factorization.

3938662008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 3938662008 is about 62758.7604084083. The cubic root of 3938662008 is about 1579.2452208637.

The spelling of 3938662008 in words is "three billion, nine hundred thirty-eight million, six hundred sixty-two thousand, eight".