1489859 has 4 divisors (see below), whose sum is σ = 1702704. Its totient is φ = 1277016.

The previous prime is 1489841. The next prime is 1489867. The reversal of 1489859 is 9589841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1489859 - 2¹² = 1485763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1489819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106412 + ... + 106425.

It is an arithmetic number, because the mean of its divisors is an integer number (425676).

2^1489859 is an apocalyptic number.

1489859 is a deficient number, since it is larger than the sum of its proper divisors (212845).

1489859 is an equidigital number, since it uses as much as digits as its factorization.

1489859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212844.

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

The square root of 1489859 is about 1220.5978043565. The cubic root of 1489859 is about 114.2128730033.

The spelling of 1489859 in words is "one million, four hundred eighty-nine thousand, eight hundred fifty-nine".