28805341 has 4 divisors (see below), whose sum is σ = 29348892. Its totient is φ = 28261792.

The previous prime is 28805333. The next prime is 28805353. The reversal of 28805341 is 14350882.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22944100 + 5861241 = 4790^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 28805341 - 2³ = 28805333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28805041) 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, 271696 + ... + 271801.

It is an arithmetic number, because the mean of its divisors is an integer number (7337223).

Almost surely, 2^28805341 is an apocalyptic number.

It is an amenable number.

28805341 is a deficient number, since it is larger than the sum of its proper divisors (543551).

28805341 is an equidigital number, since it uses as much as digits as its factorization.

28805341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543550.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 28805341 is about 5367.0607412251. The cubic root of 28805341 is about 306.5427202060.

The spelling of 28805341 in words is "twenty-eight million, eight hundred five thousand, three hundred forty-one".