26828288 has 40 divisors (see below), whose sum is σ = 54546360. Its totient is φ = 13178880.

The previous prime is 26828287. The next prime is 26828297. The reversal of 26828288 is 88282862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26828287) 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, 30803 + ... + 31661.

It is an arithmetic number, because the mean of its divisors is an integer number (1363659).

Almost surely, 2^26828288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26828288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27273180).

26828288 is an abundant number, since it is smaller than the sum of its proper divisors (27718072).

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

26828288 is an frugal number, since it uses more digits than its factorization.

26828288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 922 counting only the distinct ones).

The product of its digits is 196608, while the sum is 44.

The square root of 26828288 is about 5179.6030735955. The cubic root of 26828288 is about 299.3626766516.

The spelling of 26828288 in words is "twenty-six million, eight hundred twenty-eight thousand, two hundred eighty-eight".