487540 has 24 divisors (see below), whose sum is σ = 1078560. Its totient is φ = 184608.

The previous prime is 487507. The next prime is 487561. The reversal of 487540 is 45784.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 487499 and 487508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (44940).

2⁴⁸⁷⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

487540 is an abundant number, since it is smaller than the sum of its proper divisors (591020).

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

487540 is a wasteful number, since it uses less digits than its factorization.

487540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 487540 is about 698.2406461959. The cubic root of 487540 is about 78.7051983346.

It can be divided in two parts, 4875 and 40, that multiplied together give a triangular number (195000 = T₆₂₄).

The spelling of 487540 in words is "four hundred eighty-seven thousand, five hundred forty".