1489985 has 8 divisors (see below), whose sum is σ = 2043456. Its totient is φ = 1021680.

The previous prime is 1489979. The next prime is 1489997. The reversal of 1489985 is 5899841.

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

It is not a de Polignac number, because 1489985 - 2⁸ = 1489729 is a prime.

It is a Duffinian number.

It is a Curzon 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, 21251 + ... + 21320.

It is an arithmetic number, because the mean of its divisors is an integer number (255432).

2^1489985 is an apocalyptic number.

It is an amenable number.

1489985 is a deficient number, since it is larger than the sum of its proper divisors (553471).

1489985 is an equidigital number, since it uses as much as digits as its factorization.

1489985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42583.

The product of its digits is 103680, while the sum is 44.

The square root of 1489985 is about 1220.6494173185. The cubic root of 1489985 is about 114.2160926405.

The spelling of 1489985 in words is "one million, four hundred eighty-nine thousand, nine hundred eighty-five".