28364099 has 2 divisors, whose sum is σ = 28364100. Its totient is φ = 28364098.

The previous prime is 28364071. The next prime is 28364113. The reversal of 28364099 is 99046382.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28364099 - 2¹⁶ = 28298563 is a prime.

It is a super-2 number, since 2×28364099² = 1609044224163602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28364009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14182049 + 14182050.

It is an arithmetic number, because the mean of its divisors is an integer number (14182050).

Almost surely, 2^28364099 is an apocalyptic number.

28364099 is a deficient number, since it is larger than the sum of its proper divisors (1).

28364099 is an equidigital number, since it uses as much as digits as its factorization.

28364099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 28364099 is about 5325.7956213133. The cubic root of 28364099 is about 304.9694460121.

The spelling of 28364099 in words is "twenty-eight million, three hundred sixty-four thousand, ninety-nine".