1489785284 has 12 divisors (see below), whose sum is σ = 2807672364. Its totient is φ = 687593184.

The previous prime is 1489785277. The next prime is 1489785391. The reversal of 1489785284 is 4825879841.

It can be written as a sum of positive squares in 2 ways, for example, as 109662784 + 1380122500 = 10472^2 + 37150^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14324807 + ... + 14324910.

It is an arithmetic number, because the mean of its divisors is an integer number (233972697).

Almost surely, 2^1489785284 is an apocalyptic number.

It is an amenable number.

1489785284 is a deficient number, since it is larger than the sum of its proper divisors (1317887080).

1489785284 is a wasteful number, since it uses less digits than its factorization.

1489785284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28649734 (or 28649732 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The square root of 1489785284 is about 38597.7367730285. The cubic root of 1489785284 is about 1142.1098927806.

The spelling of 1489785284 in words is "one billion, four hundred eighty-nine million, seven hundred eighty-five thousand, two hundred eighty-four".