487544 has 8 divisors (see below), whose sum is σ = 914160. Its totient is φ = 243768.

The previous prime is 487507. The next prime is 487561. The reversal of 487544 is 445784.

487544 = 167² + 168² + ... + 182².

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 487544.

It is a congruent number.

It is an unprimeable number.

487544 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30464 + ... + 30479.

It is an arithmetic number, because the mean of its divisors is an integer number (114270).

2⁴⁸⁷⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

487544 is a deficient number, since it is larger than the sum of its proper divisors (426616).

487544 is a wasteful number, since it uses less digits than its factorization.

487544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60949 (or 60945 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 487544 is about 698.2435105320. The cubic root of 487544 is about 78.7054135785.

The spelling of 487544 in words is "four hundred eighty-seven thousand, five hundred forty-four".