8446349856 has 48 divisors (see below), whose sum is σ = 25339051584. Its totient is φ = 2413242624.

The previous prime is 8446349827. The next prime is 8446349911. The reversal of 8446349856 is 6589436448.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 8446349796 and 8446349805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6283815 + ... + 6285158.

It is an arithmetic number, because the mean of its divisors is an integer number (527896908).

Almost surely, 2^8446349856 is an apocalyptic number.

It is an amenable number.

8446349856 is an abundant number, since it is smaller than the sum of its proper divisors (16892701728).

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

8446349856 is a wasteful number, since it uses less digits than its factorization.

8446349856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568993 (or 12568985 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The square root of 8446349856 is about 91904.0252437291. The cubic root of 8446349856 is about 2036.5247327775.

The spelling of 8446349856 in words is "eight billion, four hundred forty-six million, three hundred forty-nine thousand, eight hundred fifty-six".