1028648912 has 10 divisors (see below), whose sum is σ = 1993007298. Its totient is φ = 514324448.

The previous prime is 1028648867. The next prime is 1028648921. The reversal of 1028648912 is 2198468201.

It can be written as a sum of positive squares in only one way, i.e., 831976336 + 196672576 = 28844^2 + 14024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1028648912.

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, 32145263 + ... + 32145294.

Almost surely, 2^1028648912 is an apocalyptic number.

It is an amenable number.

1028648912 is a deficient number, since it is larger than the sum of its proper divisors (964358386).

1028648912 is an equidigital number, since it uses as much as digits as its factorization.

1028648912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64290565 (or 64290559 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 1028648912 is about 32072.5569919207. The cubic root of 1028648912 is about 1009.4598660822.

The spelling of 1028648912 in words is "one billion, twenty-eight million, six hundred forty-eight thousand, nine hundred twelve".