1487089 has 4 divisors (see below), whose sum is σ = 1491700. Its totient is φ = 1482480.

The previous prime is 1487081. The next prime is 1487093. The reversal of 1487089 is 9807841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9807841 = 229 ⋅42829.

It can be written as a sum of positive squares in 2 ways, for example, as 1299600 + 187489 = 1140^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487089 - 2³ = 1487081 is a prime.

It is a super-2 number, since 2×1487089² = 4422867387842, which contains 22 as substring.

It is a Duffinian number.

1487089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1487081) 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 3 ways as a sum of consecutive naturals, for example, 1782 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (372925).

2^1487089 is an apocalyptic number.

It is an amenable number.

1487089 is a deficient number, since it is larger than the sum of its proper divisors (4611).

1487089 is an equidigital number, since it uses as much as digits as its factorization.

1487089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4610.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1487089 is about 1219.4625865520. The cubic root of 1487089 is about 114.1420461824.

The spelling of 1487089 in words is "one million, four hundred eighty-seven thousand, eighty-nine".