26808630 has 32 divisors (see below), whose sum is σ = 64627200. Its totient is φ = 7117152.

The previous prime is 26808611. The next prime is 26808637. The reversal of 26808630 is 3680862.

It is a junction number, because it is equal to n+sod(n) for n = 26808591 and 26808600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26808637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5301 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (2019600).

Almost surely, 2^26808630 is an apocalyptic number.

26808630 is an abundant number, since it is smaller than the sum of its proper divisors (37818570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26808630 is a wasteful number, since it uses less digits than its factorization.

26808630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 26808630 is about 5177.7050900954. The cubic root of 26808630 is about 299.2895410440.

The spelling of 26808630 in words is "twenty-six million, eight hundred eight thousand, six hundred thirty".