1028489334 has 8 divisors (see below), whose sum is σ = 2056978680. Its totient is φ = 342829776.

The previous prime is 1028489311. The next prime is 1028489339. The reversal of 1028489334 is 4339848201.

1028489334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1028489334 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028489339) 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, 85707439 + ... + 85707450.

It is an arithmetic number, because the mean of its divisors is an integer number (257122335).

Almost surely, 2^1028489334 is an apocalyptic number.

1028489334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028489334 is a wasteful number, since it uses less digits than its factorization.

1028489334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171414894.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1028489334 is about 32070.0691299536. The cubic root of 1028489334 is about 1009.4076630045.

The spelling of 1028489334 in words is "one billion, twenty-eight million, four hundred eighty-nine thousand, three hundred thirty-four".