487290 has 32 divisors (see below), whose sum is σ = 1203840. Its totient is φ = 126144.

The previous prime is 487283. The next prime is 487303. The reversal of 487290 is 92784.

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

It is a Curzon number.

It is an unprimeable number.

487290 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 in 15 ways as a sum of consecutive naturals, for example, 891 + ... + 1329.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2⁴⁸⁷²⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601920).

487290 is an abundant number, since it is smaller than the sum of its proper divisors (716550).

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

487290 is a wasteful number, since it uses less digits than its factorization.

487290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 487290 is about 698.0616018662. The cubic root of 487290 is about 78.6917432583.

It can be divided in two parts, 487 and 290, that added together give a palindrome (777).

The spelling of 487290 in words is "four hundred eighty-seven thousand, two hundred ninety".