28301441 has 8 divisors (see below), whose sum is σ = 32384640. Its totient is φ = 24228288.

The previous prime is 28301437. The next prime is 28301453. The reversal of 28301441 is 14410382.

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

It is not a de Polignac number, because 28301441 - 2² = 28301437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28301401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5060 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (4048080).

Almost surely, 2^28301441 is an apocalyptic number.

It is an amenable number.

28301441 is a deficient number, since it is larger than the sum of its proper divisors (4083199).

28301441 is a wasteful number, since it uses less digits than its factorization.

28301441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 28301441 is about 5319.9098676575. The cubic root of 28301441 is about 304.7447151689.

The spelling of 28301441 in words is "twenty-eight million, three hundred one thousand, four hundred forty-one".