28079193 has 8 divisors (see below), whose sum is σ = 37648800. Its totient is φ = 18614528.

The previous prime is 28079179. The next prime is 28079197. The reversal of 28079193 is 39197082.

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 28079193 - 2⁸ = 28078937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28079197) 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, 25608 + ... + 26681.

It is an arithmetic number, because the mean of its divisors is an integer number (4706100).

Almost surely, 2^28079193 is an apocalyptic number.

It is an amenable number.

28079193 is a deficient number, since it is larger than the sum of its proper divisors (9569607).

28079193 is a wasteful number, since it uses less digits than its factorization.

28079193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52471.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 28079193 is about 5298.9803736191. The cubic root of 28079193 is about 303.9449093673.

The spelling of 28079193 in words is "twenty-eight million, seventy-nine thousand, one hundred ninety-three".