28936337 has 2 divisors, whose sum is σ = 28936338. Its totient is φ = 28936336.

The previous prime is 28936333. The next prime is 28936379. The reversal of 28936337 is 73363982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 591361 = 5324^2 + 769^2 .

It is a cyclic number.

It is not a de Polignac number, because 28936337 - 2² = 28936333 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28936294 and 28936303.

It is not a weakly prime, because it can be changed into another prime (28936333) 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 as a sum of consecutive naturals, namely, 14468168 + 14468169.

It is an arithmetic number, because the mean of its divisors is an integer number (14468169).

Almost surely, 2^28936337 is an apocalyptic number.

It is an amenable number.

28936337 is a deficient number, since it is larger than the sum of its proper divisors (1).

28936337 is an equidigital number, since it uses as much as digits as its factorization.

28936337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 41.

The square root of 28936337 is about 5379.2505983641. The cubic root of 28936337 is about 307.0066984218.

The spelling of 28936337 in words is "twenty-eight million, nine hundred thirty-six thousand, three hundred thirty-seven".