3938358823 has 8 divisors (see below), whose sum is σ = 4646174720. Its totient is φ = 3266841240.

The previous prime is 3938358727. The next prime is 3938358857. The reversal of 3938358823 is 3288538393.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3938358823 - 2¹³ = 3938350631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938358223) 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 7 ways as a sum of consecutive naturals, for example, 9074343 + ... + 9074776.

It is an arithmetic number, because the mean of its divisors is an integer number (580771840).

Almost surely, 2^3938358823 is an apocalyptic number.

3938358823 is a deficient number, since it is larger than the sum of its proper divisors (707815897).

3938358823 is a wasteful number, since it uses less digits than its factorization.

3938358823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18149157.

The product of its digits is 3732480, while the sum is 52.

The square root of 3938358823 is about 62756.3448824101. The cubic root of 3938358823 is about 1579.2046981559.

The spelling of 3938358823 in words is "three billion, nine hundred thirty-eight million, three hundred fifty-eight thousand, eight hundred twenty-three".