487984728 has 256 divisors, whose sum is σ = 1648512000. Its totient is φ = 118917120.

The previous prime is 487984709. The next prime is 487984741. The reversal of 487984728 is 827489784.

It is a super-2 number, since 2×487984728² = 476258189522467968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1539226 + ... + 1539542.

It is an arithmetic number, because the mean of its divisors is an integer number (6439500).

Almost surely, 2^487984728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487984728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824256000).

487984728 is an abundant number, since it is smaller than the sum of its proper divisors (1160527272).

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

487984728 is a wasteful number, since it uses less digits than its factorization.

487984728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 357 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 57.

The square root of 487984728 is about 22090.3763661917. The cubic root of 487984728 is about 787.2912236680.

The spelling of 487984728 in words is "four hundred eighty-seven million, nine hundred eighty-four thousand, seven hundred twenty-eight".