487659 has 4 divisors (see below), whose sum is σ = 650216. Its totient is φ = 325104.

The previous prime is 487657. The next prime is 487681. The reversal of 487659 is 956784.

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

It is not a de Polignac number, because 487659 - 2¹ = 487657 is a prime.

It is a super-2 number, since 2×487659² = 475622600562, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487651) 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, 81274 + ... + 81279.

It is an arithmetic number, because the mean of its divisors is an integer number (162554).

2⁴⁸⁷⁶⁵⁹ is an apocalyptic number.

487659 is a deficient number, since it is larger than the sum of its proper divisors (162557).

487659 is a wasteful number, since it uses less digits than its factorization.

487659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162556.

The product of its digits is 60480, while the sum is 39.

The square root of 487659 is about 698.3258551708. The cubic root of 487659 is about 78.7116013352.

The spelling of 487659 in words is "four hundred eighty-seven thousand, six hundred fifty-nine".