26906 has 8 divisors (see below), whose sum is σ = 44064. Its totient is φ = 12220.

The previous prime is 26903. The next prime is 26921. The reversal of 26906 is 60962.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (26903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590 + ... + 633.

It is an arithmetic number, because the mean of its divisors is an integer number (5508).

2²⁶⁹⁰⁶ is an apocalyptic number.

26906 is a deficient number, since it is larger than the sum of its proper divisors (17158).

26906 is a wasteful number, since it uses less digits than its factorization.

26906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 26906 is about 164.0304849715. The cubic root of 26906 is about 29.9651447045.

The spelling of 26906 in words is "twenty-six thousand, nine hundred six".