489624 has 32 divisors (see below), whose sum is σ = 1278720. Its totient is φ = 155936.

The previous prime is 489613. The next prime is 489631. The reversal of 489624 is 426984.

It is a super-2 number, since 2×489624² = 479463322752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (39960).

2⁴⁸⁹⁶²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639360).

489624 is an abundant number, since it is smaller than the sum of its proper divisors (789096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489624 is a wasteful number, since it uses less digits than its factorization.

489624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 915 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 489624 is about 699.7313770298. The cubic root of 489624 is about 78.8171812708.

Subtracting from 489624 its product of digits (13824), we obtain a triangular number (475800 = T₉₇₅).

The spelling of 489624 in words is "four hundred eighty-nine thousand, six hundred twenty-four".