26904228 has 96 divisors (see below), whose sum is σ = 73852800. Its totient is φ = 7547904.

The previous prime is 26904221. The next prime is 26904239. The reversal of 26904228 is 82240962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26904221) 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 31 ways as a sum of consecutive naturals, for example, 85800 + ... + 86112.

It is an arithmetic number, because the mean of its divisors is an integer number (769300).

Almost surely, 2^26904228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26904228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36926400).

26904228 is an abundant number, since it is smaller than the sum of its proper divisors (46948572).

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

26904228 is a wasteful number, since it uses less digits than its factorization.

26904228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

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

The square root of 26904228 is about 5186.9285709368. The cubic root of 26904228 is about 299.6448686605.

The spelling of 26904228 in words is "twenty-six million, nine hundred four thousand, two hundred twenty-eight".