26864936 has 48 divisors (see below), whose sum is σ = 61696800. Its totient is φ = 10904544.

The previous prime is 26864921. The next prime is 26864939. The reversal of 26864936 is 63946862.

It is not an unprimeable number, because it can be changed into a prime (26864939) 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 11 ways as a sum of consecutive naturals, for example, 5645 + ... + 9251.

It is an arithmetic number, because the mean of its divisors is an integer number (1285350).

Almost surely, 2^26864936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26864936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30848400).

26864936 is an abundant number, since it is smaller than the sum of its proper divisors (34831864).

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

26864936 is a wasteful number, since it uses less digits than its factorization.

26864936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3635 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 26864936 is about 5183.1395890908. The cubic root of 26864936 is about 299.4989265135.

The spelling of 26864936 in words is "twenty-six million, eight hundred sixty-four thousand, nine hundred thirty-six".