26830685 has 24 divisors (see below), whose sum is σ = 37873080. Its totient is φ = 18192384.

The previous prime is 26830681. The next prime is 26830693. The reversal of 26830685 is 58603862.

It can be written as a sum of positive squares in 4 ways, for example, as 70756 + 26759929 = 266^2 + 5173^2 .

It is not a de Polignac number, because 26830685 - 2² = 26830681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26830681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23201 + ... + 24329.

It is an arithmetic number, because the mean of its divisors is an integer number (1578045).

Almost surely, 2^26830685 is an apocalyptic number.

It is an amenable number.

26830685 is a deficient number, since it is larger than the sum of its proper divisors (11042395).

26830685 is a wasteful number, since it uses less digits than its factorization.

26830685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 26830685 is about 5179.8344568142. The cubic root of 26830685 is about 299.3715920045.

The spelling of 26830685 in words is "twenty-six million, eight hundred thirty thousand, six hundred eighty-five".