478965844 has 12 divisors (see below), whose sum is σ = 957931744. Its totient is φ = 205271064.

The previous prime is 478965821. The next prime is 478965847. The reversal of 478965844 is 448569874.

478965844 = 2897² + 2898² + ... + 2952².

It is a happy number.

478965844 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478965847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8552934 + ... + 8552989.

Almost surely, 2^478965844 is an apocalyptic number.

It is an amenable number.

478965844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

478965844 is a wasteful number, since it uses less digits than its factorization.

478965844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105934 (or 17105932 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The square root of 478965844 is about 21885.2883005913. The cubic root of 478965844 is about 782.4108206099.

The spelling of 478965844 in words is "four hundred seventy-eight million, nine hundred sixty-five thousand, eight hundred forty-four".