846478464 has 64 divisors (see below), whose sum is σ = 2421431040. Its totient is φ = 260453376.

The previous prime is 846478459. The next prime is 846478471. The reversal of 846478464 is 464874648.

It is a happy number.

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

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, 79792 + ... + 89775.

It is an arithmetic number, because the mean of its divisors is an integer number (37834860).

Almost surely, 2^846478464 is an apocalyptic number.

It is an amenable number.

846478464 is an abundant number, since it is smaller than the sum of its proper divisors (1574952576).

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

846478464 is a wasteful number, since it uses less digits than its factorization.

846478464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169597 (or 169585 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 51.

The square root of 846478464 is about 29094.3029474844. The cubic root of 846478464 is about 945.9582542027.

The spelling of 846478464 in words is "eight hundred forty-six million, four hundred seventy-eight thousand, four hundred sixty-four".