26828688 has 20 divisors (see below), whose sum is σ = 69307568. Its totient is φ = 8942880.

The previous prime is 26828651. The next prime is 26828701. The reversal of 26828688 is 88682862.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 558931 = 26828688 / (2 + 6 + 8 + 2 + 8 + 6 + 8 + 8).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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, 279418 + ... + 279513.

Almost surely, 2^26828688 is an apocalyptic number.

It is an amenable number.

26828688 is an abundant number, since it is smaller than the sum of its proper divisors (42478880).

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

26828688 is a wasteful number, since it uses less digits than its factorization.

26828688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558942 (or 558936 counting only the distinct ones).

The product of its digits is 589824, while the sum is 48.

The square root of 26828688 is about 5179.6416864490. The cubic root of 26828688 is about 299.3641644403.

The spelling of 26828688 in words is "twenty-six million, eight hundred twenty-eight thousand, six hundred eighty-eight".