26809800 has 48 divisors (see below), whose sum is σ = 83112240. Its totient is φ = 7149120.

The previous prime is 26809771. The next prime is 26809829. The reversal of 26809800 is 890862.

It is an interprime number because it is at equal distance from previous prime (26809771) and next prime (26809829).

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 11 ways as a sum of consecutive naturals, for example, 21742 + ... + 22941.

It is an arithmetic number, because the mean of its divisors is an integer number (1731505).

Almost surely, 2^26809800 is an apocalyptic number.

26809800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26809800 is an abundant number, since it is smaller than the sum of its proper divisors (56302440).

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

26809800 is a wasteful number, since it uses less digits than its factorization.

26809800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44702 (or 44693 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 26809800 is about 5177.8180732814. The cubic root of 26809800 is about 299.2938949115.

The spelling of 26809800 in words is "twenty-six million, eight hundred nine thousand, eight hundred".