1489553 has 8 divisors (see below), whose sum is σ = 1617000. Its totient is φ = 1363968.

The previous prime is 1489541. The next prime is 1489561. The reversal of 1489553 is 3559841.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 1481089 = 92^2 + 1217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1489553 - 2⁸ = 1489297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1489513) 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 7 ways as a sum of consecutive naturals, for example, 1553 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (202125).

2^1489553 is an apocalyptic number.

1489553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1489553 is a deficient number, since it is larger than the sum of its proper divisors (127447).

1489553 is a wasteful number, since it uses less digits than its factorization.

1489553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931.

The product of its digits is 21600, while the sum is 35.

The square root of 1489553 is about 1220.4724495047. The cubic root of 1489553 is about 114.2050531286.

The spelling of 1489553 in words is "one million, four hundred eighty-nine thousand, five hundred fifty-three".