487538 has 4 divisors (see below), whose sum is σ = 731310. Its totient is φ = 243768.

The previous prime is 487507. The next prime is 487561. The reversal of 487538 is 835784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 316969 + 170569 = 563^2 + 413^2 .

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 487498 and 487507.

It is an unprimeable number.

487538 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, 121883 + ... + 121886.

2⁴⁸⁷⁵³⁸ is an apocalyptic number.

487538 is a deficient number, since it is larger than the sum of its proper divisors (243772).

487538 is a wasteful number, since it uses less digits than its factorization.

487538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243771.

The product of its digits is 26880, while the sum is 35.

The square root of 487538 is about 698.2392140234. The cubic root of 487538 is about 78.7050907123.

It can be divided in two parts, 4875 and 38, that added together give a cube (4913 = 17³).

The spelling of 487538 in words is "four hundred eighty-seven thousand, five hundred thirty-eight".