28242395 has 8 divisors (see below), whose sum is σ = 34984320. Its totient is φ = 21864960.

The previous prime is 28242377. The next prime is 28242397. The reversal of 28242395 is 59324282.

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

It is not a de Polignac number, because 28242395 - 2²⁰ = 27193819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28242397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90950 + ... + 91259.

It is an arithmetic number, because the mean of its divisors is an integer number (4373040).

Almost surely, 2^28242395 is an apocalyptic number.

28242395 is a deficient number, since it is larger than the sum of its proper divisors (6741925).

28242395 is a wasteful number, since it uses less digits than its factorization.

28242395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182245.

The product of its digits is 34560, while the sum is 35.

The square root of 28242395 is about 5314.3574399922. The cubic root of 28242395 is about 304.5326354528.

The spelling of 28242395 in words is "twenty-eight million, two hundred forty-two thousand, three hundred ninety-five".