8396946642 has 32 divisors (see below), whose sum is σ = 19584720000. Its totient is φ = 2399127024.

The previous prime is 8396946637. The next prime is 8396946661. The reversal of 8396946642 is 2466496938.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2038017 + ... + 2042132.

It is an arithmetic number, because the mean of its divisors is an integer number (612022500).

Almost surely, 2^8396946642 is an apocalyptic number.

8396946642 is an abundant number, since it is smaller than the sum of its proper divisors (11187773358).

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

8396946642 is a wasteful number, since it uses less digits than its factorization.

8396946642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080175 (or 4080161 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 57.

The square root of 8396946642 is about 91634.8549515958. The cubic root of 8396946642 is about 2032.5463804512.

The spelling of 8396946642 in words is "eight billion, three hundred ninety-six million, nine hundred forty-six thousand, six hundred forty-two".