28912883 has 2 divisors, whose sum is σ = 28912884. Its totient is φ = 28912882.

The previous prime is 28912867. The next prime is 28912951. The reversal of 28912883 is 38821982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28912883 - 2⁴ = 28912867 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28912883.

It is not a weakly prime, because it can be changed into another prime (28912843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14456441 + 14456442.

It is an arithmetic number, because the mean of its divisors is an integer number (14456442).

Almost surely, 2^28912883 is an apocalyptic number.

28912883 is a deficient number, since it is larger than the sum of its proper divisors (1).

28912883 is an equidigital number, since it uses as much as digits as its factorization.

28912883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 41.

The square root of 28912883 is about 5377.0701129890. The cubic root of 28912883 is about 306.9237291386.

Subtracting 28912883 from its reverse (38821982), we obtain a palindrome (9909099).

The spelling of 28912883 in words is "twenty-eight million, nine hundred twelve thousand, eight hundred eighty-three".