28344535 has 8 divisors (see below), whose sum is σ = 34051680. Its totient is φ = 22650144.

The previous prime is 28344521. The next prime is 28344587. The reversal of 28344535 is 53544382.

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 28344535 - 2²¹ = 26247383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28344535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2694 + ... + 7996.

It is an arithmetic number, because the mean of its divisors is an integer number (4256460).

Almost surely, 2^28344535 is an apocalyptic number.

28344535 is a deficient number, since it is larger than the sum of its proper divisors (5707145).

28344535 is a wasteful number, since it uses less digits than its factorization.

28344535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6377.

The product of its digits is 57600, while the sum is 34.

The square root of 28344535 is about 5323.9585836105. The cubic root of 28344535 is about 304.8993128185.

The spelling of 28344535 in words is "twenty-eight million, three hundred forty-four thousand, five hundred thirty-five".