28897343 has 2 divisors, whose sum is σ = 28897344. Its totient is φ = 28897342.

The previous prime is 28897313. The next prime is 28897357. The reversal of 28897343 is 34379882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28897343 - 2¹⁰ = 28896319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28897294 and 28897303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28897303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14448671 + 14448672.

It is an arithmetic number, because the mean of its divisors is an integer number (14448672).

Almost surely, 2^28897343 is an apocalyptic number.

28897343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28897343 is an equidigital number, since it uses as much as digits as its factorization.

28897343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 28897343 is about 5375.6248939077. The cubic root of 28897343 is about 306.8687311697.

The spelling of 28897343 in words is "twenty-eight million, eight hundred ninety-seven thousand, three hundred forty-three".