1028868 has 24 divisors (see below), whose sum is σ = 2431968. Its totient is φ = 338496.

The previous prime is 1028843. The next prime is 1028873. The reversal of 1028868 is 8688201.

1028868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1028868² = 2117138722848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480 + ... + 1512.

It is an arithmetic number, because the mean of its divisors is an integer number (101332).

2^1028868 is an apocalyptic number.

It is an amenable number.

1028868 is an abundant number, since it is smaller than the sum of its proper divisors (1403100).

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

1028868 is a wasteful number, since it uses less digits than its factorization.

1028868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1028868 is about 1014.3313068224. The cubic root of 1028868 is about 100.9531527994.

The spelling of 1028868 in words is "one million, twenty-eight thousand, eight hundred sixty-eight".