28548971 has 8 divisors (see below), whose sum is σ = 31184688. Its totient is φ = 25920000.

The previous prime is 28548959. The next prime is 28548977. The reversal of 28548971 is 17984582.

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 28548971 - 2⁶ = 28548907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28548977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12131 + ... + 14291.

It is an arithmetic number, because the mean of its divisors is an integer number (3898086).

Almost surely, 2^28548971 is an apocalyptic number.

28548971 is a deficient number, since it is larger than the sum of its proper divisors (2635717).

28548971 is a wasteful number, since it uses less digits than its factorization.

28548971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373.

The product of its digits is 161280, while the sum is 44.

The square root of 28548971 is about 5343.1237118375. The cubic root of 28548971 is about 305.6305900035.

The spelling of 28548971 in words is "twenty-eight million, five hundred forty-eight thousand, nine hundred seventy-one".