28363255 has 8 divisors (see below), whose sum is σ = 35515872. Its totient is φ = 21703968.

The previous prime is 28363241. The next prime is 28363277. The reversal of 28363255 is 55236382.

It is a happy number.

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 28363255 - 2²¹ = 26266103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28363255.

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, 123204 + ... + 123433.

It is an arithmetic number, because the mean of its divisors is an integer number (4439484).

Almost surely, 2^28363255 is an apocalyptic number.

28363255 is a deficient number, since it is larger than the sum of its proper divisors (7152617).

28363255 is a wasteful number, since it uses less digits than its factorization.

28363255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246665.

The product of its digits is 43200, while the sum is 34.

The square root of 28363255 is about 5325.7163837366. The cubic root of 28363255 is about 304.9664210995.

The spelling of 28363255 in words is "twenty-eight million, three hundred sixty-three thousand, two hundred fifty-five".