26397668 has 24 divisors (see below), whose sum is σ = 53361504. Its totient is φ = 11292800.

The previous prime is 26397661. The next prime is 26397671. The reversal of 26397668 is 86679362.

It is not an unprimeable number, because it can be changed into a prime (26397661) 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, 16898 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (2223396).

Almost surely, 2^26397668 is an apocalyptic number.

It is an amenable number.

26397668 is an abundant number, since it is smaller than the sum of its proper divisors (26963836).

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

26397668 is a wasteful number, since it uses less digits than its factorization.

26397668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35323 (or 35321 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 26397668 is about 5137.8660940122. The cubic root of 26397668 is about 297.7523429221.

The spelling of 26397668 in words is "twenty-six million, three hundred ninety-seven thousand, six hundred sixty-eight".