1028508368 has 10 divisors (see below), whose sum is σ = 1992734994. Its totient is φ = 514254176.

The previous prime is 1028508353. The next prime is 1028508389. The reversal of 1028508368 is 8638058201.

It can be written as a sum of positive squares in only one way, i.e., 704796304 + 323712064 = 26548^2 + 17992^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32140871 + ... + 32140902.

Almost surely, 2^1028508368 is an apocalyptic number.

It is an amenable number.

1028508368 is a deficient number, since it is larger than the sum of its proper divisors (964226626).

1028508368 is an equidigital number, since it uses as much as digits as its factorization.

1028508368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64281781 (or 64281775 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 1028508368 is about 32070.3658850347. The cubic root of 1028508368 is about 1009.4138899195.

The spelling of 1028508368 in words is "one billion, twenty-eight million, five hundred eight thousand, three hundred sixty-eight".