28934208 has 84 divisors (see below), whose sum is σ = 83685888. Its totient is φ = 9557760.

The previous prime is 28934197. The next prime is 28934231. The reversal of 28934208 is 80243982.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109885 + ... + 110147.

Almost surely, 2^28934208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28934208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41842944).

28934208 is an abundant number, since it is smaller than the sum of its proper divisors (54751680).

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

28934208 is a wasteful number, since it uses less digits than its factorization.

28934208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 28934208 is about 5379.0527047055. The cubic root of 28934208 is about 306.9991688660. Note that the first 3 decimals are identical.

The spelling of 28934208 in words is "twenty-eight million, nine hundred thirty-four thousand, two hundred eight".