28328695 has 8 divisors (see below), whose sum is σ = 34024320. Its totient is φ = 22643040.

The previous prime is 28328693. The next prime is 28328731. The reversal of 28328695 is 59682382.

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

It is not a de Polignac number, because 28328695 - 2¹ = 28328693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28328693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7185 + ... + 10405.

It is an arithmetic number, because the mean of its divisors is an integer number (4253040).

Almost surely, 2^28328695 is an apocalyptic number.

28328695 is a deficient number, since it is larger than the sum of its proper divisors (5695625).

28328695 is a wasteful number, since it uses less digits than its factorization.

28328695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985.

The product of its digits is 207360, while the sum is 43.

The square root of 28328695 is about 5322.4707608403. The cubic root of 28328695 is about 304.8425058062.

The spelling of 28328695 in words is "twenty-eight million, three hundred twenty-eight thousand, six hundred ninety-five".