28468019 has 2 divisors, whose sum is σ = 28468020. Its totient is φ = 28468018.

The previous prime is 28467983. The next prime is 28468039. The reversal of 28468019 is 91086482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28468019 - 2¹⁶ = 28402483 is a prime.

It is a super-2 number, since 2×28468019² = 1620856211568722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28468039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14234009 + 14234010.

It is an arithmetic number, because the mean of its divisors is an integer number (14234010).

Almost surely, 2^28468019 is an apocalyptic number.

28468019 is a deficient number, since it is larger than the sum of its proper divisors (1).

28468019 is an equidigital number, since it uses as much as digits as its factorization.

28468019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 28468019 is about 5335.5429901745. The cubic root of 28468019 is about 305.3414397152.

The spelling of 28468019 in words is "twenty-eight million, four hundred sixty-eight thousand, nineteen".