8384020838 has 8 divisors (see below), whose sum is σ = 12632426688. Its totient is φ = 4173211944.

The previous prime is 8384020837. The next prime is 8384020859. The reversal of 8384020838 is 8380204838.

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

It is a super-3 number, since 3×8384020838³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8384020831) 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 3 ways as a sum of consecutive naturals, for example, 9398681 + ... + 9399572.

It is an arithmetic number, because the mean of its divisors is an integer number (1579053336).

Almost surely, 2^8384020838 is an apocalyptic number.

8384020838 is a deficient number, since it is larger than the sum of its proper divisors (4248405850).

8384020838 is a wasteful number, since it uses less digits than its factorization.

8384020838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18798478.

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 8384020838 is about 91564.2989270382. The cubic root of 8384020838 is about 2031.5029143156.

The spelling of 8384020838 in words is "eight billion, three hundred eighty-four million, twenty thousand, eight hundred thirty-eight".