1028305959 has 16 divisors (see below), whose sum is σ = 1403380992. Its totient is φ = 669567168.

The previous prime is 1028305939. The next prime is 1028305963. The reversal of 1028305959 is 9595038201.

It is not a de Polignac number, because 1028305959 - 2¹¹ = 1028303911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1028305959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028305939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237 + ... + 45350.

It is an arithmetic number, because the mean of its divisors is an integer number (87711312).

Almost surely, 2^1028305959 is an apocalyptic number.

1028305959 is a deficient number, since it is larger than the sum of its proper divisors (375075033).

1028305959 is a wasteful number, since it uses less digits than its factorization.

1028305959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45766.

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 1028305959 is about 32067.2100283140. The cubic root of 1028305959 is about 1009.3476684973.

The spelling of 1028305959 in words is "one billion, twenty-eight million, three hundred five thousand, nine hundred fifty-nine".