1589485648 has 20 divisors (see below), whose sum is σ = 3121817428. Its totient is φ = 783855360.

The previous prime is 1589485643. The next prime is 1589485687. The reversal of 1589485648 is 8465849851.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 908901904 + 680583744 = 30148^2 + 26088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1589485592 and 1589485601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1589485643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679263 + ... + 681598.

Almost surely, 2^1589485648 is an apocalyptic number.

It is an amenable number.

1589485648 is a deficient number, since it is larger than the sum of its proper divisors (1532331780).

1589485648 is a wasteful number, since it uses less digits than its factorization.

1589485648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360942 (or 1360936 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 58.

The square root of 1589485648 is about 39868.3539665234. The cubic root of 1589485648 is about 1167.0394499971.

The spelling of 1589485648 in words is "one billion, five hundred eighty-nine million, four hundred eighty-five thousand, six hundred forty-eight".