1487289 has 8 divisors (see below), whose sum is σ = 2036800. Its totient is φ = 964656.

The previous prime is 1487273. The next prime is 1487303. The reversal of 1487289 is 9827841.

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

It is not a de Polignac number, because 1487289 - 2⁴ = 1487273 is a prime.

It is a Duffinian number.

It is a Curzon number.

1487289 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1487219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6589 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (254600).

2^1487289 is an apocalyptic number.

It is an amenable number.

1487289 is a deficient number, since it is larger than the sum of its proper divisors (549511).

1487289 is a wasteful number, since it uses less digits than its factorization.

1487289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13439.

The product of its digits is 32256, while the sum is 39.

The square root of 1487289 is about 1219.5445871308. The cubic root of 1487289 is about 114.1471629768.

The spelling of 1487289 in words is "one million, four hundred eighty-seven thousand, two hundred eighty-nine".