489542 has 8 divisors (see below), whose sum is σ = 739632. Its totient is φ = 243000.

The previous prime is 489539. The next prime is 489551. The reversal of 489542 is 245984.

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

It is a junction number, because it is equal to n+sod(n) for n = 489499 and 489508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (92454).

2⁴⁸⁹⁵⁴² is an apocalyptic number.

489542 is a deficient number, since it is larger than the sum of its proper divisors (250090).

489542 is a wasteful number, since it uses less digits than its factorization.

489542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its digits is 11520, while the sum is 32.

The square root of 489542 is about 699.6727806625. The cubic root of 489542 is about 78.8127810442.

The spelling of 489542 in words is "four hundred eighty-nine thousand, five hundred forty-two".