1489443 has 4 divisors (see below), whose sum is σ = 1985928. Its totient is φ = 992960.

The previous prime is 1489441. The next prime is 1489451. The reversal of 1489443 is 3449841.

It is a happy number.

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 1489443 - 2¹ = 1489441 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1489441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248238 + ... + 248243.

It is an arithmetic number, because the mean of its divisors is an integer number (496482).

2^1489443 is an apocalyptic number.

1489443 is a deficient number, since it is larger than the sum of its proper divisors (496485).

1489443 is an equidigital number, since it uses as much as digits as its factorization.

1489443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496484.

The product of its digits is 13824, while the sum is 33.

The square root of 1489443 is about 1220.4273841569. The cubic root of 1489443 is about 114.2022418008.

It can be divided in two parts, 148 and 9443, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 1489443 in words is "one million, four hundred eighty-nine thousand, four hundred forty-three".