26338985 has 4 divisors (see below), whose sum is σ = 31606788. Its totient is φ = 21071184.

The previous prime is 26338981. The next prime is 26338987. The reversal of 26338985 is 58983362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17952169 + 8386816 = 4237^2 + 2896^2 .

It is a cyclic number.

It is not a de Polignac number, because 26338985 - 2² = 26338981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26338981) 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 in 3 ways as a sum of consecutive naturals, for example, 2633894 + ... + 2633903.

It is an arithmetic number, because the mean of its divisors is an integer number (7901697).

Almost surely, 2^26338985 is an apocalyptic number.

It is an amenable number.

26338985 is a deficient number, since it is larger than the sum of its proper divisors (5267803).

26338985 is an equidigital number, since it uses as much as digits as its factorization.

26338985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267802.

The product of its digits is 311040, while the sum is 44.

The square root of 26338985 is about 5132.1520827037. The cubic root of 26338985 is about 297.5315410384.

The spelling of 26338985 in words is "twenty-six million, three hundred thirty-eight thousand, nine hundred eighty-five".