1489743 has 6 divisors (see below), whose sum is σ = 2151864. Its totient is φ = 993156.

The previous prime is 1489729. The next prime is 1489751. The reversal of 1489743 is 3479841.

It is a happy number.

It is not a de Polignac number, because 1489743 - 2⁹ = 1489231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1489698 and 1489707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489723) 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, 82755 + ... + 82772.

It is an arithmetic number, because the mean of its divisors is an integer number (358644).

2^1489743 is an apocalyptic number.

1489743 is a deficient number, since it is larger than the sum of its proper divisors (662121).

1489743 is a wasteful number, since it uses less digits than its factorization.

1489743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165533 (or 165530 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1489743 is about 1220.5502857318. The cubic root of 1489743 is about 114.2099087324.

The spelling of 1489743 in words is "one million, four hundred eighty-nine thousand, seven hundred forty-three".