26906856 has 32 divisors (see below), whose sum is σ = 68373600. Its totient is φ = 8821440.

The previous prime is 26906843. The next prime is 26906861. The reversal of 26906856 is 65860962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7726 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (2136675).

Almost surely, 2^26906856 is an apocalyptic number.

It is an amenable number.

26906856 is an abundant number, since it is smaller than the sum of its proper divisors (41466744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26906856 is a wasteful number, since it uses less digits than its factorization.

26906856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18449 (or 18445 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 26906856 is about 5187.1818938611. The cubic root of 26906856 is about 299.6546247613.

The spelling of 26906856 in words is "twenty-six million, nine hundred six thousand, eight hundred fifty-six".