1589239442 has 18 divisors (see below), whose sum is σ = 2773749447. Its totient is φ = 680933484.

The previous prime is 1589239409. The next prime is 1589239481. The reversal of 1589239442 is 2449329851.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 794619721 + 794619721 = 28189^2 + 28189^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=28189.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 392633 + ... + 396659.

Almost surely, 2^1589239442 is an apocalyptic number.

1589239442 is a deficient number, since it is larger than the sum of its proper divisors (1184510005).

1589239442 is an frugal number, since it uses more digits than its factorization.

1589239442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070 (or 4036 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 1589239442 is about 39865.2661097352. The cubic root of 1589239442 is about 1166.9791900524.

The spelling of 1589239442 in words is "one billion, five hundred eighty-nine million, two hundred thirty-nine thousand, four hundred forty-two".