487640328 has 64 divisors (see below), whose sum is σ = 1394962560. Its totient is φ = 139155456.

The previous prime is 487640327. The next prime is 487640357. The reversal of 487640328 is 823046784.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 487640328.

It is not an unprimeable number, because it can be changed into a prime (487640327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213400 + ... + 215672.

It is an arithmetic number, because the mean of its divisors is an integer number (21796290).

Almost surely, 2^487640328 is an apocalyptic number.

It is an amenable number.

487640328 is an abundant number, since it is smaller than the sum of its proper divisors (907322232).

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

487640328 is a wasteful number, since it uses less digits than its factorization.

487640328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3566 (or 3562 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 487640328 is about 22082.5797406010. The cubic root of 487640328 is about 787.1059672489.

The spelling of 487640328 in words is "four hundred eighty-seven million, six hundred forty thousand, three hundred twenty-eight".