26939808 has 216 divisors, whose sum is σ = 94112928. Its totient is φ = 7273728.

The previous prime is 26939779. The next prime is 26939819. The reversal of 26939808 is 80893962.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 324535 + ... + 324617.

It is an arithmetic number, because the mean of its divisors is an integer number (435708).

Almost surely, 2^26939808 is an apocalyptic number.

26939808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26939808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47056464).

26939808 is an abundant number, since it is smaller than the sum of its proper divisors (67173120).

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

26939808 is a wasteful number, since it uses less digits than its factorization.

26939808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 26939808 is about 5190.3572131405. The cubic root of 26939808 is about 299.7769007969.

It can be divided in two parts, 26939 and 808, that multiplied together give a palindrome (21766712).

The spelling of 26939808 in words is "twenty-six million, nine hundred thirty-nine thousand, eight hundred eight".