8393639380 has 24 divisors (see below), whose sum is σ = 20144734848. Its totient is φ = 2877819168.

The previous prime is 8393639357. The next prime is 8393639407. The reversal of 8393639380 is 839363938.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 29977144 + ... + 29977423.

It is an arithmetic number, because the mean of its divisors is an integer number (839363952).

Almost surely, 2^8393639380 is an apocalyptic number.

It is an amenable number.

8393639380 is an abundant number, since it is smaller than the sum of its proper divisors (11751095468).

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

8393639380 is a wasteful number, since it uses less digits than its factorization.

8393639380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59954583 (or 59954581 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The square root of 8393639380 is about 91616.8073008441. The cubic root of 8393639380 is about 2032.2794958947.

The spelling of 8393639380 in words is "eight billion, three hundred ninety-three million, six hundred thirty-nine thousand, three hundred eighty".