487740 has 48 divisors (see below), whose sum is σ = 1491840. Its totient is φ = 118080.

The previous prime is 487733. The next prime is 487741. The reversal of 487740 is 47784.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 487698 and 487707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487741) by changing a digit.

487740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (31080).

2⁴⁸⁷⁷⁴⁰ 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 487740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (745920).

487740 is an abundant number, since it is smaller than the sum of its proper divisors (1004100).

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

487740 is a wasteful number, since it uses less digits than its factorization.

487740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 487740 is about 698.3838486105. The cubic root of 487740 is about 78.7159590843.

The spelling of 487740 in words is "four hundred eighty-seven thousand, seven hundred forty".