26908069 has 4 divisors (see below), whose sum is σ = 26935200. Its totient is φ = 26880940.

The previous prime is 26908061. The next prime is 26908081. The reversal of 26908069 is 96080962.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26908069 - 2³ = 26908061 is a prime.

It is a super-2 number, since 2×26908069² = 1448088354617522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26908061) 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 3 ways as a sum of consecutive naturals, for example, 12019 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (6733800).

Almost surely, 2^26908069 is an apocalyptic number.

It is an amenable number.

26908069 is a deficient number, since it is larger than the sum of its proper divisors (27131).

26908069 is a wasteful number, since it uses less digits than its factorization.

26908069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27130.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 26908069 is about 5187.2988153759. The cubic root of 26908069 is about 299.6591276483.

The spelling of 26908069 in words is "twenty-six million, nine hundred eight thousand, sixty-nine".