1000489 has 8 divisors (see below), whose sum is σ = 1168128. Its totient is φ = 839040.

The previous prime is 1000457. The next prime is 1000507. The reversal of 1000489 is 9840001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000489 - 2⁵ = 1000457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000409) 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, 1192 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (146016).

2^1000489 is an apocalyptic number.

It is an amenable number.

1000489 is a deficient number, since it is larger than the sum of its proper divisors (167639).

1000489 is an equidigital number, since it uses as much as digits as its factorization.

1000489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1000489 is about 1000.2444701172. The cubic root of 1000489 is about 100.0162973438.

The spelling of 1000489 in words is "one million, four hundred eighty-nine", and thus it is an aban number.