28326499 has 2 divisors, whose sum is σ = 28326500. Its totient is φ = 28326498.

The previous prime is 28326479. The next prime is 28326503. The reversal of 28326499 is 99462382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28326499 - 2⁷ = 28326371 is a prime.

It is not a weakly prime, because it can be changed into another prime (28326469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14163249 + 14163250.

It is an arithmetic number, because the mean of its divisors is an integer number (14163250).

Almost surely, 2^28326499 is an apocalyptic number.

28326499 is a deficient number, since it is larger than the sum of its proper divisors (1).

28326499 is an equidigital number, since it uses as much as digits as its factorization.

28326499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The square root of 28326499 is about 5322.2644616742. The cubic root of 28326499 is about 304.8346286173.

The spelling of 28326499 in words is "twenty-eight million, three hundred twenty-six thousand, four hundred ninety-nine".