28447153 has 8 divisors (see below), whose sum is σ = 33304320. Its totient is φ = 23788320.

The previous prime is 28447063. The next prime is 28447157. The reversal of 28447153 is 35174482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28447153 - 2¹⁷ = 28316081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28447157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49273 + ... + 49846.

It is an arithmetic number, because the mean of its divisors is an integer number (4163040).

Almost surely, 2^28447153 is an apocalyptic number.

It is an amenable number.

28447153 is a deficient number, since it is larger than the sum of its proper divisors (4857167).

28447153 is an equidigital number, since it uses as much as digits as its factorization.

28447153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99167.

The product of its digits is 26880, while the sum is 34.

The square root of 28447153 is about 5333.5872543721. The cubic root of 28447153 is about 305.2668201717.

The spelling of 28447153 in words is "twenty-eight million, four hundred forty-seven thousand, one hundred fifty-three".