26988900 has 36 divisors (see below), whose sum is σ = 78088752. Its totient is φ = 7196960.

The previous prime is 26988893. The next prime is 26988919. The reversal of 26988900 is 988962.

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 11 ways as a sum of consecutive naturals, for example, 44682 + ... + 45281.

It is an arithmetic number, because the mean of its divisors is an integer number (2169132).

Almost surely, 2^26988900 is an apocalyptic number.

26988900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26988900 is an abundant number, since it is smaller than the sum of its proper divisors (51099852).

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

26988900 is a wasteful number, since it uses less digits than its factorization.

26988900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89980 (or 89973 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 26988900 is about 5195.0842149093. The cubic root of 26988900 is about 299.9588832539.

The spelling of 26988900 in words is "twenty-six million, nine hundred eighty-eight thousand, nine hundred".