1489818 has 16 divisors (see below), whose sum is σ = 3250656. Its totient is φ = 451440.

The previous prime is 1489799. The next prime is 1489819. The reversal of 1489818 is 8189841.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1489819) 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 7 ways as a sum of consecutive naturals, for example, 11221 + ... + 11352.

It is an arithmetic number, because the mean of its divisors is an integer number (203166).

2^1489818 is an apocalyptic number.

1489818 is an abundant number, since it is smaller than the sum of its proper divisors (1760838).

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

1489818 is a wasteful number, since it uses less digits than its factorization.

1489818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22589.

The product of its digits is 18432, while the sum is 39.

The square root of 1489818 is about 1220.5810091919. The cubic root of 1489818 is about 114.2118253044.

The spelling of 1489818 in words is "one million, four hundred eighty-nine thousand, eight hundred eighteen".