26889156 has 36 divisors (see below), whose sum is σ = 77680512. Its totient is φ = 7682544.

The previous prime is 26889143. The next prime is 26889157. The reversal of 26889156 is 65198862.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (26889157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53100 + ... + 53603.

It is an arithmetic number, because the mean of its divisors is an integer number (2157792).

Almost surely, 2^26889156 is an apocalyptic number.

It is an amenable number.

26889156 is an abundant number, since it is smaller than the sum of its proper divisors (50791356).

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

26889156 is a wasteful number, since it uses less digits than its factorization.

26889156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106720 (or 106715 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 26889156 is about 5185.4754844662. The cubic root of 26889156 is about 299.5889035898.

The spelling of 26889156 in words is "twenty-six million, eight hundred eighty-nine thousand, one hundred fifty-six".