28527349 has 12 divisors (see below), whose sum is σ = 29872332. Its totient is φ = 27224000.

The previous prime is 28527319. The next prime is 28527397. The reversal of 28527349 is 94372582.

It can be written as a sum of positive squares in 2 ways, for example, as 14577124 + 13950225 = 3818^2 + 3735^2 .

It is not a de Polignac number, because 28527349 - 2⁷ = 28527221 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 (28527319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282399 + ... + 282499.

It is an arithmetic number, because the mean of its divisors is an integer number (2489361).

Almost surely, 2^28527349 is an apocalyptic number.

It is an amenable number.

28527349 is a deficient number, since it is larger than the sum of its proper divisors (1344983).

28527349 is an equidigital number, since it uses as much as digits as its factorization.

28527349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 225 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 28527349 is about 5341.0999803411. The cubic root of 28527349 is about 305.5534125151.

It can be divided in two parts, 2852 and 7349, that added together give a palindrome (10201).

The spelling of 28527349 in words is "twenty-eight million, five hundred twenty-seven thousand, three hundred forty-nine".