28323295 has 32 divisors (see below), whose sum is σ = 45642240. Its totient is φ = 16295040.

The previous prime is 28323293. The next prime is 28323299. The reversal of 28323295 is 59232382.

It is not a de Polignac number, because 28323295 - 2¹ = 28323293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28323295.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28323293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2176 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (1426320).

Almost surely, 2^28323295 is an apocalyptic number.

28323295 is a deficient number, since it is larger than the sum of its proper divisors (17318945).

28323295 is a wasteful number, since it uses less digits than its factorization.

28323295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5695.

The product of its digits is 25920, while the sum is 34.

The square root of 28323295 is about 5321.9634534634. The cubic root of 28323295 is about 304.8231349393.

It can be divided in two parts, 28 and 323295, that added together give a palindrome (323323).

The spelling of 28323295 in words is "twenty-eight million, three hundred twenty-three thousand, two hundred ninety-five".