28885343 has 2 divisors, whose sum is σ = 28885344. Its totient is φ = 28885342.

The previous prime is 28885333. The next prime is 28885349. The reversal of 28885343 is 34358882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28885343 - 2¹² = 28881247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28885343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28885349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14442671 + 14442672.

It is an arithmetic number, because the mean of its divisors is an integer number (14442672).

Almost surely, 2^28885343 is an apocalyptic number.

28885343 is a deficient number, since it is larger than the sum of its proper divisors (1).

28885343 is an equidigital number, since it uses as much as digits as its factorization.

28885343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 184320, while the sum is 41.

The square root of 28885343 is about 5374.5086287027. The cubic root of 28885343 is about 306.8262482026.

The spelling of 28885343 in words is "twenty-eight million, eight hundred eighty-five thousand, three hundred forty-three".