28468039 has 2 divisors, whose sum is σ = 28468040. Its totient is φ = 28468038.

The previous prime is 28468019. The next prime is 28468103. The reversal of 28468039 is 93086482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28468039 - 2¹⁷ = 28336967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28467992 and 28468010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28468019) 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, 14234019 + 14234020.

It is an arithmetic number, because the mean of its divisors is an integer number (14234020).

Almost surely, 2^28468039 is an apocalyptic number.

28468039 is a deficient number, since it is larger than the sum of its proper divisors (1).

28468039 is an equidigital number, since it uses as much as digits as its factorization.

28468039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 28468039 is about 5335.5448643976. The cubic root of 28468039 is about 305.3415112203.

The spelling of 28468039 in words is "twenty-eight million, four hundred sixty-eight thousand, thirty-nine".