28301357 has 16 divisors (see below), whose sum is σ = 34212864. Its totient is φ = 22896000.

The previous prime is 28301309. The next prime is 28301359. The reversal of 28301357 is 75310382.

It is a cyclic number.

It is not a de Polignac number, because 28301357 - 2¹⁰ = 28300333 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28301359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7307 + ... + 10487.

It is an arithmetic number, because the mean of its divisors is an integer number (2138304).

Almost surely, 2^28301357 is an apocalyptic number.

It is an amenable number.

28301357 is a deficient number, since it is larger than the sum of its proper divisors (5911507).

28301357 is a wasteful number, since it uses less digits than its factorization.

28301357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 28301357 is about 5319.9019727811. The cubic root of 28301357 is about 304.7444136698.

The spelling of 28301357 in words is "twenty-eight million, three hundred one thousand, three hundred fifty-seven".