1028506326 has 32 divisors (see below), whose sum is σ = 2087564640. Its totient is φ = 337775616.

The previous prime is 1028506291. The next prime is 1028506343. The reversal of 1028506326 is 6236058201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129420 + ... + 137136.

It is an arithmetic number, because the mean of its divisors is an integer number (65236395).

Almost surely, 2^1028506326 is an apocalyptic number.

1028506326 is an abundant number, since it is smaller than the sum of its proper divisors (1059058314).

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

1028506326 is a wasteful number, since it uses less digits than its factorization.

1028506326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8048.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1028506326 is about 32070.3340487747. The cubic root of 1028506326 is about 1009.4132218891.

The spelling of 1028506326 in words is "one billion, twenty-eight million, five hundred six thousand, three hundred twenty-six".