28235329 has 8 divisors (see below), whose sum is σ = 30260160. Its totient is φ = 26276976.

The previous prime is 28235309. The next prime is 28235353. The reversal of 28235329 is 92353282.

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 28235329 - 2¹³ = 28227137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28235294 and 28235303.

It is not an unprimeable number, because it can be changed into a prime (28235309) 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, 15739 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (3782520).

Almost surely, 2^28235329 is an apocalyptic number.

It is an amenable number.

28235329 is a deficient number, since it is larger than the sum of its proper divisors (2024831).

28235329 is a wasteful number, since it uses less digits than its factorization.

28235329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33239.

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

The square root of 28235329 is about 5313.6925955497. The cubic root of 28235329 is about 304.5072362012.

The spelling of 28235329 in words is "twenty-eight million, two hundred thirty-five thousand, three hundred twenty-nine".