26408961 has 12 divisors (see below), whose sum is σ = 39077220. Its totient is φ = 17176320.

The previous prime is 26408959. The next prime is 26408981. The reversal of 26408961 is 16980462.

26408961 is a `hidden beast` number, since 2 + 640 + 8 + 9 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9884736 + 16524225 = 3144^2 + 4065^2 .

It is not a de Polignac number, because 26408961 - 2¹ = 26408959 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26408911) 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, 35416 + ... + 36153.

It is an arithmetic number, because the mean of its divisors is an integer number (3256435).

Almost surely, 2^26408961 is an apocalyptic number.

It is an amenable number.

26408961 is a deficient number, since it is larger than the sum of its proper divisors (12668259).

26408961 is a wasteful number, since it uses less digits than its factorization.

26408961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71616 (or 71613 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 26408961 is about 5138.9649736109. The cubic root of 26408961 is about 297.7947966447.

The spelling of 26408961 in words is "twenty-six million, four hundred eight thousand, nine hundred sixty-one".