283028928 has 224 divisors, whose sum is σ = 936735744. Its totient is φ = 73433088.

The previous prime is 283028923. The next prime is 283028929. The reversal of 283028928 is 829820382.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 283028928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283028923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1694701 + ... + 1694867.

It is an arithmetic number, because the mean of its divisors is an integer number (4181856).

Almost surely, 2^283028928 is an apocalyptic number.

283028928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283028928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468367872).

283028928 is an abundant number, since it is smaller than the sum of its proper divisors (653706816).

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

283028928 is a wasteful number, since it uses less digits than its factorization.

283028928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 283028928 is about 16823.4636148446. The cubic root of 283028928 is about 656.5638123268.

The spelling of 283028928 in words is "two hundred eighty-three million, twenty-eight thousand, nine hundred twenty-eight".