489996 has 48 divisors (see below), whose sum is σ = 1372000. Its totient is φ = 150336.

The previous prime is 489989. The next prime is 490001. The reversal of 489996 is 699984.

489996 = T₁₈₁ + T₁₈₂ + ... + T₂₀₆.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489996.

It is an unprimeable number.

489996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230 + ... + 1578.

2⁴⁸⁹⁹⁹⁶ 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 489996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (686000).

489996 is an abundant number, since it is smaller than the sum of its proper divisors (882004).

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

489996 is a wasteful number, since it uses less digits than its factorization.

489996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 367 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 489996 is about 699.9971428513. The cubic root of 489996 is about 78.8371371071.

It can be divided in two parts, 489 and 996, that added together give a triangular number (1485 = T₅₄).

The spelling of 489996 in words is "four hundred eighty-nine thousand, nine hundred ninety-six".