487389 has 8 divisors (see below), whose sum is σ = 742720. Its totient is φ = 278496.

The previous prime is 487387. The next prime is 487391. The reversal of 487389 is 983784.

It is an interprime number because it is at equal distance from previous prime (487387) and next prime (487391).

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

It is not a de Polignac number, because 487389 - 2¹ = 487387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487381) 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, 11584 + ... + 11625.

It is an arithmetic number, because the mean of its divisors is an integer number (92840).

2⁴⁸⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

487389 is a deficient number, since it is larger than the sum of its proper divisors (255331).

487389 is a wasteful number, since it uses less digits than its factorization.

487389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23219.

The product of its digits is 48384, while the sum is 39.

The square root of 487389 is about 698.1325089122. The cubic root of 487389 is about 78.6970720188.

The spelling of 487389 in words is "four hundred eighty-seven thousand, three hundred eighty-nine".