28334611 has 4 divisors (see below), whose sum is σ = 28452424. Its totient is φ = 28216800.

The previous prime is 28334599. The next prime is 28334617. The reversal of 28334611 is 11643382.

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 28334611 - 2¹⁵ = 28301843 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 28334611.

It is not an unprimeable number, because it can be changed into a prime (28334617) 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 3 ways as a sum of consecutive naturals, for example, 58545 + ... + 59026.

It is an arithmetic number, because the mean of its divisors is an integer number (7113106).

Almost surely, 2^28334611 is an apocalyptic number.

28334611 is a deficient number, since it is larger than the sum of its proper divisors (117813).

28334611 is a wasteful number, since it uses less digits than its factorization.

28334611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117812.

The product of its digits is 3456, while the sum is 28.

The square root of 28334611 is about 5323.0264887562. The cubic root of 28334611 is about 304.8637248415.

Adding to 28334611 its reverse (11643382), we get a palindrome (39977993).

The spelling of 28334611 in words is "twenty-eight million, three hundred thirty-four thousand, six hundred eleven".