26939005 has 8 divisors (see below), whose sum is σ = 32448600. Its totient is φ = 21470016.

The previous prime is 26938993. The next prime is 26939039. The reversal of 26939005 is 50093962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116964 + 26822041 = 342^2 + 5179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26939005 - 2⁵ = 26938973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670 + ... + 11359.

It is an arithmetic number, because the mean of its divisors is an integer number (4056075).

Almost surely, 2^26939005 is an apocalyptic number.

It is an amenable number.

26939005 is a deficient number, since it is larger than the sum of its proper divisors (5509595).

26939005 is a wasteful number, since it uses less digits than its factorization.

26939005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 26939005 is about 5190.2798575799. The cubic root of 26939005 is about 299.7739222649.

The spelling of 26939005 in words is "twenty-six million, nine hundred thirty-nine thousand, five".