1028548668 has 48 divisors (see below), whose sum is σ = 2744501760. Its totient is φ = 293688384.

The previous prime is 1028548667. The next prime is 1028548723. The reversal of 1028548668 is 8668458201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028548667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191305 + ... + 196607.

It is an arithmetic number, because the mean of its divisors is an integer number (57177120).

Almost surely, 2^1028548668 is an apocalyptic number.

It is an amenable number.

1028548668 is an abundant number, since it is smaller than the sum of its proper divisors (1715953092).

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

1028548668 is a wasteful number, since it uses less digits than its factorization.

1028548668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626 (or 7624 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 1028548668 is about 32070.9941847770. The cubic root of 1028548668 is about 1009.4270736879.

The spelling of 1028548668 in words is "one billion, twenty-eight million, five hundred forty-eight thousand, six hundred sixty-eight".