487321456 has 20 divisors (see below), whose sum is σ = 999726192. Its totient is φ = 229327616.

The previous prime is 487321433. The next prime is 487321489. The reversal of 487321456 is 654123784.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895540 + ... + 896083.

Almost surely, 2^487321456 is an apocalyptic number.

It is an amenable number.

487321456 is an abundant number, since it is smaller than the sum of its proper divisors (512404736).

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

487321456 is a wasteful number, since it uses less digits than its factorization.

487321456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791648 (or 1791642 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 487321456 is about 22075.3585701343. The cubic root of 487321456 is about 786.9343648289.

The spelling of 487321456 in words is "four hundred eighty-seven million, three hundred twenty-one thousand, four hundred fifty-six".