26820808 has 16 divisors (see below), whose sum is σ = 57473280. Its totient is φ = 11494608.

The previous prime is 26820803. The next prime is 26820811. The reversal of 26820808 is 80802862.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26820803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239416 + ... + 239527.

It is an arithmetic number, because the mean of its divisors is an integer number (3592080).

Almost surely, 2^26820808 is an apocalyptic number.

26820808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26820808 is an abundant number, since it is smaller than the sum of its proper divisors (30652472).

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

26820808 is a wasteful number, since it uses less digits than its factorization.

26820808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478956 (or 478952 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 26820808 is about 5178.8809602075. The cubic root of 26820808 is about 299.3348522775.

The spelling of 26820808 in words is "twenty-six million, eight hundred twenty thousand, eight hundred eight".