3938448312 has 32 divisors (see below), whose sum is σ = 10940134800. Its totient is φ = 1312816032.

The previous prime is 3938448229. The next prime is 3938448317. The reversal of 3938448312 is 2138448393.

3938448312 is a `hidden beast` number, since 3 + 93 + 84 + 483 + 1 + 2 = 666.

It is a super-2 number, since 2×3938448312² = 31022750212591298688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938448317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9116563 + ... + 9116994.

Almost surely, 2^3938448312 is an apocalyptic number.

It is an amenable number.

3938448312 is an abundant number, since it is smaller than the sum of its proper divisors (7001686488).

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

3938448312 is a wasteful number, since it uses less digits than its factorization.

3938448312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18233572 (or 18233562 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 3938448312 is about 62757.0578660281. The cubic root of 3938448312 is about 1579.2166591770.

The spelling of 3938448312 in words is "three billion, nine hundred thirty-eight million, four hundred forty-eight thousand, three hundred twelve".