28974349 has 2 divisors, whose sum is σ = 28974350. Its totient is φ = 28974348.

The previous prime is 28974343. The next prime is 28974377. The reversal of 28974349 is 94347982.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19518724 + 9455625 = 4418^2 + 3075^2 .

It is a cyclic number.

It is not a de Polignac number, because 28974349 - 2⁵ = 28974317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28974299 and 28974308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28974343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14487174 + 14487175.

It is an arithmetic number, because the mean of its divisors is an integer number (14487175).

Almost surely, 2^28974349 is an apocalyptic number.

It is an amenable number.

28974349 is a deficient number, since it is larger than the sum of its proper divisors (1).

28974349 is an equidigital number, since it uses as much as digits as its factorization.

28974349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 28974349 is about 5382.7826446922. The cubic root of 28974349 is about 307.1410719410.

The spelling of 28974349 in words is "twenty-eight million, nine hundred seventy-four thousand, three hundred forty-nine".