26909816 has 16 divisors (see below), whose sum is σ = 52650000. Its totient is φ = 12869824.

The previous prime is 26909801. The next prime is 26909863. The reversal of 26909816 is 61890962.

It is a congruent number.

It is an unprimeable number.

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, 72941 + ... + 73308.

It is an arithmetic number, because the mean of its divisors is an integer number (3290625).

Almost surely, 2^26909816 is an apocalyptic number.

It is an amenable number.

26909816 is a deficient number, since it is larger than the sum of its proper divisors (25740184).

26909816 is a wasteful number, since it uses less digits than its factorization.

26909816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146278 (or 146274 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 26909816 is about 5187.4672047156. The cubic root of 26909816 is about 299.6656126072.

The spelling of 26909816 in words is "twenty-six million, nine hundred nine thousand, eight hundred sixteen".