487239 has 4 divisors (see below), whose sum is σ = 649656. Its totient is φ = 324824.

The previous prime is 487219. The next prime is 487247. The reversal of 487239 is 932784.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487239 - 2⁷ = 487111 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81204 + ... + 81209.

It is an arithmetic number, because the mean of its divisors is an integer number (162414).

2⁴⁸⁷²³⁹ is an apocalyptic number.

487239 is a deficient number, since it is larger than the sum of its proper divisors (162417).

487239 is a wasteful number, since it uses less digits than its factorization.

487239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162416.

The product of its digits is 12096, while the sum is 33.

The square root of 487239 is about 698.0250711830. The cubic root of 487239 is about 78.6889978576.

The spelling of 487239 in words is "four hundred eighty-seven thousand, two hundred thirty-nine".