1489844 has 6 divisors (see below), whose sum is σ = 2607234. Its totient is φ = 744920.

The previous prime is 1489841. The next prime is 1489867. The reversal of 1489844 is 4489841.

It can be written as a sum of positive squares in only one way, i.e., 1488400 + 1444 = 1220^2 + 38^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1489798 and 1489807.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186227 + ... + 186234.

It is an arithmetic number, because the mean of its divisors is an integer number (434539).

2^1489844 is an apocalyptic number.

It is an amenable number.

1489844 is a deficient number, since it is larger than the sum of its proper divisors (1117390).

1489844 is a wasteful number, since it uses less digits than its factorization.

1489844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372465 (or 372463 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 1489844 is about 1220.5916598109. The cubic root of 1489844 is about 114.2124897011.

The spelling of 1489844 in words is "one million, four hundred eighty-nine thousand, eight hundred forty-four".