26388764 has 12 divisors (see below), whose sum is σ = 46221000. Its totient is φ = 13182768.

The previous prime is 26388763. The next prime is 26388779. The reversal of 26388764 is 46788362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26388763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4067 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (3851750).

Almost surely, 2^26388764 is an apocalyptic number.

It is an amenable number.

26388764 is a deficient number, since it is larger than the sum of its proper divisors (19832236).

26388764 is a wasteful number, since it uses less digits than its factorization.

26388764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5810 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 26388764 is about 5136.9995133346. Note that the first 3 decimals coincide. The cubic root of 26388764 is about 297.7188616186.

The spelling of 26388764 in words is "twenty-six million, three hundred eighty-eight thousand, seven hundred sixty-four".