26898872 has 64 divisors (see below), whose sum is σ = 67737600. Its totient is φ = 9671040.

The previous prime is 26898871. The next prime is 26898881. The reversal of 26898872 is 27889862.

It is a super-4 number, since 4×26898872⁴ (a number of 31 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26898872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26898871) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6329 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (1058400).

Almost surely, 2^26898872 is an apocalyptic number.

26898872 is a gapful number since it is divisible by the number (22) 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 26898872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33868800).

26898872 is an abundant number, since it is smaller than the sum of its proper divisors (40838728).

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

26898872 is a wasteful number, since it uses less digits than its factorization.

26898872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3392 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 26898872 is about 5186.4122474019. The cubic root of 26898872 is about 299.6249832553.

It can be divided in two parts, 26 and 898872, that added together give a palindrome (898898).

The spelling of 26898872 in words is "twenty-six million, eight hundred ninety-eight thousand, eight hundred seventy-two".