1489649 has 16 divisors (see below), whose sum is σ = 1795200. Its totient is φ = 1234800.

The previous prime is 1489637. The next prime is 1489661. The reversal of 1489649 is 9469841.

It is an interprime number because it is at equal distance from previous prime (1489637) and next prime (1489661).

It is not a de Polignac number, because 1489649 - 2⁴ = 1489633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1489669) 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 15 ways as a sum of consecutive naturals, for example, 14699 + ... + 14799.

It is an arithmetic number, because the mean of its divisors is an integer number (112200).

2^1489649 is an apocalyptic number.

It is an amenable number.

1489649 is a deficient number, since it is larger than the sum of its proper divisors (305551).

1489649 is an equidigital number, since it uses as much as digits as its factorization.

1489649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 151 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 1489649 is about 1220.5117779030. The cubic root of 1489649 is about 114.2075065379.

The spelling of 1489649 in words is "one million, four hundred eighty-nine thousand, six hundred forty-nine".