487291 has 8 divisors (see below), whose sum is σ = 565760. Its totient is φ = 411048.

The previous prime is 487283. The next prime is 487303. The reversal of 487291 is 192784.

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

It is a cyclic number.

It is not a de Polignac number, because 487291 - 2³ = 487283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (70720).

2⁴⁸⁷²⁹¹ is an apocalyptic number.

487291 is a deficient number, since it is larger than the sum of its proper divisors (78469).

487291 is a wasteful number, since it uses less digits than its factorization.

487291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113.

The product of its digits is 4032, while the sum is 31.

The square root of 487291 is about 698.0623181350. The cubic root of 487291 is about 78.6917970878.

The spelling of 487291 in words is "four hundred eighty-seven thousand, two hundred ninety-one".