26406089 has 2 divisors, whose sum is σ = 26406090. Its totient is φ = 26406088.

The previous prime is 26406073. The next prime is 26406103. The reversal of 26406089 is 98060462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14100025 + 12306064 = 3755^2 + 3508^2 .

It is a cyclic number.

It is not a de Polignac number, because 26406089 - 2⁴ = 26406073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26406059) 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, 13203044 + 13203045.

It is an arithmetic number, because the mean of its divisors is an integer number (13203045).

Almost surely, 2^26406089 is an apocalyptic number.

It is an amenable number.

26406089 is a deficient number, since it is larger than the sum of its proper divisors (1).

26406089 is an equidigital number, since it uses as much as digits as its factorization.

26406089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 26406089 is about 5138.6855323127. The cubic root of 26406089 is about 297.7840010962.

The spelling of 26406089 in words is "twenty-six million, four hundred six thousand, eighty-nine".