1028948628 has 48 divisors (see below), whose sum is σ = 2511823104. Its totient is φ = 327490560.

The previous prime is 1028948611. The next prime is 1028948639. The reversal of 1028948628 is 8268498201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876 + ... + 45372.

It is an arithmetic number, because the mean of its divisors is an integer number (52329648).

Almost surely, 2^1028948628 is an apocalyptic number.

It is an amenable number.

1028948628 is an abundant number, since it is smaller than the sum of its proper divisors (1482874476).

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

1028948628 is a wasteful number, since it uses less digits than its factorization.

1028948628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44592 (or 44590 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 1028948628 is about 32077.2291197354. The cubic root of 1028948628 is about 1009.5578981998.

The spelling of 1028948628 in words is "one billion, twenty-eight million, nine hundred forty-eight thousand, six hundred twenty-eight".