845934064 has 20 divisors (see below), whose sum is σ = 1643333560. Its totient is φ = 421848000.

The previous prime is 845934013. The next prime is 845934073. The reversal of 845934064 is 460439548.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 845934064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63687 + ... + 75814.

It is an arithmetic number, because the mean of its divisors is an integer number (82166678).

Almost surely, 2^845934064 is an apocalyptic number.

It is an amenable number.

845934064 is a deficient number, since it is larger than the sum of its proper divisors (797399496).

845934064 is a wasteful number, since it uses less digits than its factorization.

845934064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139888 (or 139882 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 845934064 is about 29084.9456592238. The cubic root of 845934064 is about 945.7554177316.

The spelling of 845934064 in words is "eight hundred forty-five million, nine hundred thirty-four thousand, sixty-four".