26851916 has 48 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 10463040.

The previous prime is 26851873. The next prime is 26851919. The reversal of 26851916 is 61915862.

It is a self number, because there is not a number n which added to its sum of digits gives 26851916.

It is not an unprimeable number, because it can be changed into a prime (26851919) 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 15 ways as a sum of consecutive naturals, for example, 25325 + ... + 26363.

It is an arithmetic number, because the mean of its divisors is an integer number (1223040).

Almost surely, 2^26851916 is an apocalyptic number.

26851916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26851916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29352960).

26851916 is an abundant number, since it is smaller than the sum of its proper divisors (31854004).

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

26851916 is a wasteful number, since it uses less digits than its factorization.

26851916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1132 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 26851916 is about 5181.8834413753. The cubic root of 26851916 is about 299.4505349825.

The spelling of 26851916 in words is "twenty-six million, eight hundred fifty-one thousand, nine hundred sixteen".