489877 has 12 divisors (see below), whose sum is σ = 548640. Its totient is φ = 436392.

The previous prime is 489871. The next prime is 489887. The reversal of 489877 is 778984.

It is not a de Polignac number, because 489877 - 2³ = 489869 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8274 + ... + 8332.

It is an arithmetic number, because the mean of its divisors is an integer number (45720).

2⁴⁸⁹⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

489877 is a deficient number, since it is larger than the sum of its proper divisors (58763).

489877 is a wasteful number, since it uses less digits than its factorization.

489877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 101 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 489877 is about 699.9121373430. The cubic root of 489877 is about 78.8307544843.

It can be divided in two parts, 4898 and 77, that multiplied together give a triangular number (377146 = T₈₆₈).

The spelling of 489877 in words is "four hundred eighty-nine thousand, eight hundred seventy-seven".