26938938 has 48 divisors (see below), whose sum is σ = 60293376. Its totient is φ = 8012160.

The previous prime is 26938913. The next prime is 26938939. The reversal of 26938938 is 83983962.

It is not an unprimeable number, because it can be changed into a prime (26938939) 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 23 ways as a sum of consecutive naturals, for example, 31006 + ... + 31862.

It is an arithmetic number, because the mean of its divisors is an integer number (1256112).

Almost surely, 2^26938938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26938938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30146688).

26938938 is an abundant number, since it is smaller than the sum of its proper divisors (33354438).

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

26938938 is a wasteful number, since it uses less digits than its factorization.

26938938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 906 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 26938938 is about 5190.2734032033. The cubic root of 26938938 is about 299.7736737421.

The spelling of 26938938 in words is "twenty-six million, nine hundred thirty-eight thousand, nine hundred thirty-eight".