28974343 has 2 divisors, whose sum is σ = 28974344. Its totient is φ = 28974342.

The previous prime is 28974317. The next prime is 28974349. The reversal of 28974343 is 34347982.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28974343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28974296 and 28974305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28974349) 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, 14487171 + 14487172.

It is an arithmetic number, because the mean of its divisors is an integer number (14487172).

Almost surely, 2^28974343 is an apocalyptic number.

28974343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28974343 is an equidigital number, since it uses as much as digits as its factorization.

28974343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 28974343 is about 5382.7820873597. The cubic root of 28974343 is about 307.1410507401.

The spelling of 28974343 in words is "twenty-eight million, nine hundred seventy-four thousand, three hundred forty-three".