8920838394 has 192 divisors, whose sum is σ = 22262169600. Its totient is φ = 2645068608.

The previous prime is 8920838389. The next prime is 8920838401. The reversal of 8920838394 is 4938380298.

It is a happy number.

8920838394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 8920838394.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 49836997 + ... + 49837175.

It is an arithmetic number, because the mean of its divisors is an integer number (115948800).

Almost surely, 2^8920838394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8920838394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11131084800).

8920838394 is an abundant number, since it is smaller than the sum of its proper divisors (13341331206).

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

8920838394 is a wasteful number, since it uses less digits than its factorization.

8920838394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 8920838394 is about 94450.1900156903. The cubic root of 8920838394 is about 2073.9672332102.

The spelling of 8920838394 in words is "eight billion, nine hundred twenty million, eight hundred thirty-eight thousand, three hundred ninety-four".