26604081 has 12 divisors (see below), whose sum is σ = 43917952. Its totient is φ = 15202296.

The previous prime is 26604079. The next prime is 26604101. The reversal of 26604081 is 18040662.

It is not a de Polignac number, because 26604081 - 2¹ = 26604079 is a prime.

It is a super-2 number, since 2×26604081² = 1415554251709122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26604041) 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, 211081 + ... + 211206.

Almost surely, 2^26604081 is an apocalyptic number.

26604081 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26604081 is a deficient number, since it is larger than the sum of its proper divisors (17313871).

26604081 is a wasteful number, since it uses less digits than its factorization.

26604081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422300 (or 422297 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 26604081 is about 5157.9144040978. The cubic root of 26604081 is about 298.5264069296.

The spelling of 26604081 in words is "twenty-six million, six hundred four thousand, eighty-one".