1489847 has 6 divisors (see below), whose sum is σ = 1572768. Its totient is φ = 1411092.

The previous prime is 1489841. The next prime is 1489867. The reversal of 1489847 is 7489841.

It is a happy number.

It is not a de Polignac number, because 1489847 - 2⁶ = 1489783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1703 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (262128).

2^1489847 is an apocalyptic number.

1489847 is a deficient number, since it is larger than the sum of its proper divisors (82921).

1489847 is an equidigital number, since it uses as much as digits as its factorization.

1489847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165 (or 4146 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 1489847 is about 1220.5928887225. The cubic root of 1489847 is about 114.2125663617.

The spelling of 1489847 in words is "one million, four hundred eighty-nine thousand, eight hundred forty-seven".