26890116 has 24 divisors (see below), whose sum is σ = 68447904. Its totient is φ = 8148480.

The previous prime is 26890079. The next prime is 26890117. The reversal of 26890116 is 61109862.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (26890117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101725 + ... + 101988.

It is an arithmetic number, because the mean of its divisors is an integer number (2851996).

Almost surely, 2^26890116 is an apocalyptic number.

It is an amenable number.

26890116 is an abundant number, since it is smaller than the sum of its proper divisors (41557788).

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

26890116 is a wasteful number, since it uses less digits than its factorization.

26890116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203731 (or 203729 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 26890116 is about 5185.5680498861. The cubic root of 26890116 is about 299.5924688675.

Adding to 26890116 its reverse (61109862), we get a palindrome (87999978).

The spelling of 26890116 in words is "twenty-six million, eight hundred ninety thousand, one hundred sixteen".