946857856 has 64 divisors (see below), whose sum is σ = 2269296000. Its totient is φ = 384431616.

The previous prime is 946857851. The next prime is 946857883. The reversal of 946857856 is 658758649.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 946857856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (946857851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10786 + ... + 44833.

It is an arithmetic number, because the mean of its divisors is an integer number (35457750).

Almost surely, 2^946857856 is an apocalyptic number.

It is an amenable number.

946857856 is an abundant number, since it is smaller than the sum of its proper divisors (1322438144).

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

946857856 is a wasteful number, since it uses less digits than its factorization.

946857856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55659 (or 55647 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The square root of 946857856 is about 30771.0554905093. The cubic root of 946857856 is about 981.9625588738.

The spelling of 946857856 in words is "nine hundred forty-six million, eight hundred fifty-seven thousand, eight hundred fifty-six".