28432295 has 8 divisors (see below), whose sum is σ = 34368624. Its totient is φ = 22579264.

The previous prime is 28432289. The next prime is 28432297. The reversal of 28432295 is 59223482.

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 28432295 - 2¹⁸ = 28170151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28432297) 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, 20069 + ... + 21438.

It is an arithmetic number, because the mean of its divisors is an integer number (4296078).

Almost surely, 2^28432295 is an apocalyptic number.

28432295 is a deficient number, since it is larger than the sum of its proper divisors (5936329).

28432295 is a wasteful number, since it uses less digits than its factorization.

28432295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41649.

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

The square root of 28432295 is about 5332.1942012646. The cubic root of 28432295 is about 305.2136637767.

The spelling of 28432295 in words is "twenty-eight million, four hundred thirty-two thousand, two hundred ninety-five".