487040 has 32 divisors (see below), whose sum is σ = 1165860. Its totient is φ = 194560.

The previous prime is 487021. The next prime is 487049. The reversal of 487040 is 40784.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 87616 = 632^2 + 296^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 486997 and 487015.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487040.

It is not an unprimeable number, because it can be changed into a prime (487049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260 + ... + 1020.

2⁴⁸⁷⁰⁴⁰ is an apocalyptic number.

487040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582930).

487040 is an abundant number, since it is smaller than the sum of its proper divisors (678820).

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

487040 is an equidigital number, since it uses as much as digits as its factorization.

487040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 487040 is about 697.8825116021. The cubic root of 487040 is about 78.6782835792.

The spelling of 487040 in words is "four hundred eighty-seven thousand, forty".