487790 has 8 divisors (see below), whose sum is σ = 878040. Its totient is φ = 195112.

The previous prime is 487789. The next prime is 487793. The reversal of 487790 is 97784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 487790.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 487790.

It is not an unprimeable number, because it can be changed into a prime (487793) 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, 24380 + ... + 24399.

It is an arithmetic number, because the mean of its divisors is an integer number (109755).

2⁴⁸⁷⁷⁹⁰ is an apocalyptic number.

487790 is a deficient number, since it is larger than the sum of its proper divisors (390250).

487790 is a wasteful number, since it uses less digits than its factorization.

487790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48786.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 487790 is about 698.4196446264. The cubic root of 487790 is about 78.7186488121.

The spelling of 487790 in words is "four hundred eighty-seven thousand, seven hundred ninety".