1028533000 has 64 divisors (see below), whose sum is σ = 2625592320. Its totient is φ = 374008000.

The previous prime is 1028532977. The next prime is 1028533019. The reversal of 1028533000 is 3358201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35752 + ... + 57751.

It is an arithmetic number, because the mean of its divisors is an integer number (41024880).

Almost surely, 2^1028533000 is an apocalyptic number.

1028533000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028533000 is an abundant number, since it is smaller than the sum of its proper divisors (1597059320).

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

1028533000 is a wasteful number, since it uses less digits than its factorization.

1028533000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93535 (or 93521 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1028533000 is about 32070.7499132777. The cubic root of 1028533000 is about 1009.4219480890.

The spelling of 1028533000 in words is "one billion, twenty-eight million, five hundred thirty-three thousand".