28805367 has 8 divisors (see below), whose sum is σ = 38461824. Its totient is φ = 19176248.

The previous prime is 28805353. The next prime is 28805369. The reversal of 28805367 is 76350882.

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 28805367 - 2⁶ = 28805303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28805369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233 + ... + 8690.

It is an arithmetic number, because the mean of its divisors is an integer number (4807728).

Almost surely, 2^28805367 is an apocalyptic number.

28805367 is a deficient number, since it is larger than the sum of its proper divisors (9656457).

28805367 is a wasteful number, since it uses less digits than its factorization.

28805367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13669.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 28805367 is about 5367.0631634070. The cubic root of 28805367 is about 306.5428124355.

The spelling of 28805367 in words is "twenty-eight million, eight hundred five thousand, three hundred sixty-seven".