8390339064 has 96 divisors (see below), whose sum is σ = 23010661440. Its totient is φ = 2761632000.

The previous prime is 8390339063. The next prime is 8390339071. The reversal of 8390339064 is 4609330938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390339063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3132894 + ... + 3135570.

It is an arithmetic number, because the mean of its divisors is an integer number (239694390).

Almost surely, 2^8390339064 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 8390339064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11505330720).

8390339064 is an abundant number, since it is smaller than the sum of its proper divisors (14620322376).

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

8390339064 is a wasteful number, since it uses less digits than its factorization.

8390339064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 8390339064 is about 91598.7940095283. The cubic root of 8390339064 is about 2032.0131019626.

The spelling of 8390339064 in words is "eight billion, three hundred ninety million, three hundred thirty-nine thousand, sixty-four".