1489647 has 4 divisors (see below), whose sum is σ = 1986200. Its totient is φ = 993096.

The previous prime is 1489637. The next prime is 1489661. The reversal of 1489647 is 7469841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7469841 = 3 ⋅2489947.

It is not a de Polignac number, because 1489647 - 2¹⁰ = 1488623 is a prime.

It is a D-number.

It is a Duffinian number.

1489647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248272 + ... + 248277.

It is an arithmetic number, because the mean of its divisors is an integer number (496550).

2^1489647 is an apocalyptic number.

1489647 is a deficient number, since it is larger than the sum of its proper divisors (496553).

1489647 is an equidigital number, since it uses as much as digits as its factorization.

1489647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496552.

The product of its digits is 48384, while the sum is 39.

The square root of 1489647 is about 1220.5109585743. The cubic root of 1489647 is about 114.2074554263.

The spelling of 1489647 in words is "one million, four hundred eighty-nine thousand, six hundred forty-seven".