1028268306 has 24 divisors (see below), whose sum is σ = 2399293260. Its totient is φ = 316390176.

The previous prime is 1028268299. The next prime is 1028268323. The reversal of 1028268306 is 6038628201.

1028268306 is a `hidden beast` number, since 10 + 282 + 68 + 306 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1021377681 + 6890625 = 31959^2 + 2625^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2196921 + ... + 2197388.

Almost surely, 2^1028268306 is an apocalyptic number.

1028268306 is an abundant number, since it is smaller than the sum of its proper divisors (1371024954).

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

1028268306 is a wasteful number, since it uses less digits than its factorization.

1028268306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394330 (or 4394327 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1028268306 is about 32066.6229278981. The cubic root of 1028268306 is about 1009.3353487426.

The spelling of 1028268306 in words is "one billion, twenty-eight million, two hundred sixty-eight thousand, three hundred six".