26811396 has 18 divisors (see below), whose sum is σ = 67773342. Its totient is φ = 8937120.

The previous prime is 26811371. The next prime is 26811401. The reversal of 26811396 is 69311862.

26811396 is a `hidden beast` number, since 268 + 1 + 1 + 396 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24206400 + 2604996 = 4920^2 + 1614^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 744761 = 26811396 / (2 + 6 + 8 + 1 + 1 + 3 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 26811396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372345 + ... + 372416.

Almost surely, 2^26811396 is an apocalyptic number.

It is an amenable number.

26811396 is an abundant number, since it is smaller than the sum of its proper divisors (40961946).

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

26811396 is a wasteful number, since it uses less digits than its factorization.

26811396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744771 (or 744766 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 26811396 is about 5177.9721899601. The cubic root of 26811396 is about 299.2998338291.

It can be divided in two parts, 268 and 11396, that added together give a square (11664 = 108²).

The spelling of 26811396 in words is "twenty-six million, eight hundred eleven thousand, three hundred ninety-six".