1487389439 has 8 divisors (see below), whose sum is σ = 1539533520. Its totient is φ = 1435302400.

The previous prime is 1487389417. The next prime is 1487389447. The reversal of 1487389439 is 9349837841.

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 1487389439 - 2¹² = 1487385343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487389499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42719 + ... + 69279.

It is an arithmetic number, because the mean of its divisors is an integer number (192441690).

Almost surely, 2^1487389439 is an apocalyptic number.

1487389439 is a deficient number, since it is larger than the sum of its proper divisors (52144081).

1487389439 is a wasteful number, since it uses less digits than its factorization.

1487389439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521.

The product of its digits is 5225472, while the sum is 56.

The square root of 1487389439 is about 38566.6882036817. The cubic root of 1487389439 is about 1141.4973243231.

The spelling of 1487389439 in words is "one billion, four hundred eighty-seven million, three hundred eighty-nine thousand, four hundred thirty-nine".