28079306 has 8 divisors (see below), whose sum is σ = 42283620. Its totient is φ = 13984768.

The previous prime is 28079281. The next prime is 28079327. The reversal of 28079306 is 60397082.

It can be written as a sum of positive squares in 2 ways, for example, as 23435281 + 4644025 = 4841^2 + 2155^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26801 + ... + 27828.

Almost surely, 2^28079306 is an apocalyptic number.

28079306 is a deficient number, since it is larger than the sum of its proper divisors (14204314).

28079306 is a wasteful number, since it uses less digits than its factorization.

28079306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54888.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 28079306 is about 5298.9910360370. The cubic root of 28079306 is about 303.9453170919.

The spelling of 28079306 in words is "twenty-eight million, seventy-nine thousand, three hundred six".