28367255 has 8 divisors (see below), whose sum is σ = 38903712. Its totient is φ = 19451808.

The previous prime is 28367239. The next prime is 28367281. The reversal of 28367255 is 55276382.

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 28367255 - 2⁴ = 28367239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405212 + ... + 405281.

It is an arithmetic number, because the mean of its divisors is an integer number (4862964).

Almost surely, 2^28367255 is an apocalyptic number.

28367255 is a deficient number, since it is larger than the sum of its proper divisors (10536457).

28367255 is an equidigital number, since it uses as much as digits as its factorization.

28367255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810505.

The product of its digits is 100800, while the sum is 38.

The square root of 28367255 is about 5326.0919068300. The cubic root of 28367255 is about 304.9807566467.

The spelling of 28367255 in words is "twenty-eight million, three hundred sixty-seven thousand, two hundred fifty-five".