26089985 has 8 divisors (see below), whose sum is σ = 33149736. Its totient is φ = 19644160.

The previous prime is 26089967. The next prime is 26089997. The reversal of 26089985 is 58998062.

It can be written as a sum of positive squares in 4 ways, for example, as 14807104 + 11282881 = 3848^2 + 3359^2 .

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

It is not a de Polignac number, because 26089985 - 2¹⁰ = 26088961 is a prime.

It is a Duffinian 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, 153386 + ... + 153555.

It is an arithmetic number, because the mean of its divisors is an integer number (4143717).

Almost surely, 2^26089985 is an apocalyptic number.

It is an amenable number.

26089985 is a deficient number, since it is larger than the sum of its proper divisors (7059751).

26089985 is a wasteful number, since it uses less digits than its factorization.

26089985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306963.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 26089985 is about 5107.8356473168. The cubic root of 26089985 is about 296.5909828118.

The spelling of 26089985 in words is "twenty-six million, eighty-nine thousand, nine hundred eighty-five".