28345435 has 8 divisors (see below), whose sum is σ = 35804880. Its totient is φ = 21482784.

The previous prime is 28345433. The next prime is 28345451. The reversal of 28345435 is 53454382.

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 28345435 - 2¹ = 28345433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28345435.

It is not an unprimeable number, because it can be changed into a prime (28345433) by changing a digit.

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, 149092 + ... + 149281.

It is an arithmetic number, because the mean of its divisors is an integer number (4475610).

Almost surely, 2^28345435 is an apocalyptic number.

28345435 is a deficient number, since it is larger than the sum of its proper divisors (7459445).

28345435 is a wasteful number, since it uses less digits than its factorization.

28345435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298397.

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

The square root of 28345435 is about 5324.0431065122. The cubic root of 28345435 is about 304.9025398542.

The spelling of 28345435 in words is "twenty-eight million, three hundred forty-five thousand, four hundred thirty-five".