1489842 has 24 divisors (see below), whose sum is σ = 3316716. Its totient is φ = 482976.

The previous prime is 1489841. The next prime is 1489867. The reversal of 1489842 is 2489841.

It can be written as a sum of positive squares in 2 ways, for example, as 1279161 + 210681 = 1131^2 + 459^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1489797 and 1489806.

It is not an unprimeable number, because it can be changed into a prime (1489841) 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 11 ways as a sum of consecutive naturals, for example, 453 + ... + 1784.

2^1489842 is an apocalyptic number.

1489842 is an abundant number, since it is smaller than the sum of its proper divisors (1826874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1489842 is a wasteful number, since it uses less digits than its factorization.

1489842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282 (or 2279 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1489842 is about 1220.5908405358. The cubic root of 1489842 is about 114.2124385939.

Subtracting 1489842 from its reverse (2489841), we obtain a palindrome (999999).

The spelling of 1489842 in words is "one million, four hundred eighty-nine thousand, eight hundred forty-two".