26881396 has 24 divisors (see below), whose sum is σ = 47882016. Its totient is φ = 13203360.

The previous prime is 26881391. The next prime is 26881397. The reversal of 26881396 is 69318862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26881391) 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 7 ways as a sum of consecutive naturals, for example, 77295 + ... + 77641.

It is an arithmetic number, because the mean of its divisors is an integer number (1995084).

Almost surely, 2^26881396 is an apocalyptic number.

It is an amenable number.

26881396 is a deficient number, since it is larger than the sum of its proper divisors (21000620).

26881396 is a wasteful number, since it uses less digits than its factorization.

26881396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 637 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 26881396 is about 5184.7271866512. The cubic root of 26881396 is about 299.5600811459.

The spelling of 26881396 in words is "twenty-six million, eight hundred eighty-one thousand, three hundred ninety-six".