28284153 has 12 divisors (see below), whose sum is σ = 38617200. Its totient is φ = 18413976.

The previous prime is 28284143. The next prime is 28284161. The reversal of 28284153 is 35148282.

It is not a de Polignac number, because 28284153 - 2¹⁸ = 28022009 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28284143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2998 + ... + 8096.

It is an arithmetic number, because the mean of its divisors is an integer number (3218100).

Almost surely, 2^28284153 is an apocalyptic number.

It is an amenable number.

28284153 is a deficient number, since it is larger than the sum of its proper divisors (10333047).

28284153 is an equidigital number, since it uses as much as digits as its factorization.

28284153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188 (or 5145 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 28284153 is about 5318.2847798891. The cubic root of 28284153 is about 304.6826511944.

The spelling of 28284153 in words is "twenty-eight million, two hundred eighty-four thousand, one hundred fifty-three".