26939328 has 112 divisors (see below), whose sum is σ = 78857856. Its totient is φ = 8064000.

The previous prime is 26939287. The next prime is 26939333. The reversal of 26939328 is 82393962.

It is a self number, because there is not a number n which added to its sum of digits gives 26939328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107203 + ... + 107453.

It is an arithmetic number, because the mean of its divisors is an integer number (704088).

Almost surely, 2^26939328 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 26939328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39428928).

26939328 is an abundant number, since it is smaller than the sum of its proper divisors (51918528).

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

26939328 is a wasteful number, since it uses less digits than its factorization.

26939328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 312 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 26939328 is about 5190.3109733425. The cubic root of 26939328 is about 299.7751203615.

It can be divided in two parts, 2693 and 9328, that added together give a palindrome (12021).

The spelling of 26939328 in words is "twenty-six million, nine hundred thirty-nine thousand, three hundred twenty-eight".