1428889594 has 16 divisors (see below), whose sum is σ = 2339378496. Its totient is φ = 649163200.

The previous prime is 1428889591. The next prime is 1428889607. The reversal of 1428889594 is 4959888241.

It is not an unprimeable number, because it can be changed into a prime (1428889591) 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, 30354 + ... + 61474.

It is an arithmetic number, because the mean of its divisors is an integer number (146211156).

Almost surely, 2^1428889594 is an apocalyptic number.

1428889594 is a deficient number, since it is larger than the sum of its proper divisors (910488902).

1428889594 is a wasteful number, since it uses less digits than its factorization.

1428889594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33221.

The product of its digits is 6635520, while the sum is 58.

The square root of 1428889594 is about 37800.6559995987. The cubic root of 1428889594 is about 1126.3314853031.

The spelling of 1428889594 in words is "one billion, four hundred twenty-eight million, eight hundred eighty-nine thousand, five hundred ninety-four".