26889393 has 16 divisors (see below), whose sum is σ = 38076480. Its totient is φ = 16820736.

The previous prime is 26889361. The next prime is 26889407. The reversal of 26889393 is 39398862.

It is not a de Polignac number, because 26889393 - 2⁵ = 26889361 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26889353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23253 + ... + 24381.

It is an arithmetic number, because the mean of its divisors is an integer number (2379780).

Almost surely, 2^26889393 is an apocalyptic number.

It is an amenable number.

26889393 is a deficient number, since it is larger than the sum of its proper divisors (11187087).

26889393 is a wasteful number, since it uses less digits than its factorization.

26889393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616.

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

The square root of 26889393 is about 5185.4983367079. The cubic root of 26889393 is about 299.5897837756.

The spelling of 26889393 in words is "twenty-six million, eight hundred eighty-nine thousand, three hundred ninety-three".