26289086 has 4 divisors (see below), whose sum is σ = 39433632. Its totient is φ = 13144542.

The previous prime is 26289083. The next prime is 26289119. The reversal of 26289086 is 68098262.

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

It is a super-2 number, since 2×26289086² = 1382232085430792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26289083) 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, 6572270 + ... + 6572273.

It is an arithmetic number, because the mean of its divisors is an integer number (9858408).

Almost surely, 2^26289086 is an apocalyptic number.

26289086 is a deficient number, since it is larger than the sum of its proper divisors (13144546).

26289086 is a wasteful number, since it uses less digits than its factorization.

26289086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13144545.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 26289086 is about 5127.2883671586. The cubic root of 26289086 is about 297.3435318726.

The spelling of 26289086 in words is "twenty-six million, two hundred eighty-nine thousand, eighty-six".