28435411 has 4 divisors (see below), whose sum is σ = 28755000. Its totient is φ = 28115824.

The previous prime is 28435409. The next prime is 28435417. The reversal of 28435411 is 11453482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28435411 - 2¹ = 28435409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28435411.

It is not an unprimeable number, because it can be changed into a prime (28435417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159661 + ... + 159838.

It is an arithmetic number, because the mean of its divisors is an integer number (7188750).

Almost surely, 2^28435411 is an apocalyptic number.

28435411 is a deficient number, since it is larger than the sum of its proper divisors (319589).

28435411 is an equidigital number, since it uses as much as digits as its factorization.

28435411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319588.

The product of its digits is 3840, while the sum is 28.

The square root of 28435411 is about 5332.4863806671. The cubic root of 28435411 is about 305.2248131995.

Adding to 28435411 its reverse (11453482), we get a palindrome (39888893).

The spelling of 28435411 in words is "twenty-eight million, four hundred thirty-five thousand, four hundred eleven".