26826904 has 64 divisors (see below), whose sum is σ = 57335040. Its totient is φ = 11681280.

The previous prime is 26826893. The next prime is 26826907. The reversal of 26826904 is 40962862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26826907) 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, 170794 + ... + 170950.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 2^26826904 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 26826904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28667520).

26826904 is an abundant number, since it is smaller than the sum of its proper divisors (30508136).

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

26826904 is a wasteful number, since it uses less digits than its factorization.

26826904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 26826904 is about 5179.4694709014. The cubic root of 26826904 is about 299.3575287884.

It can be divided in two parts, 26826 and 904, that added together give a triangular number (27730 = T₂₃₅).

The spelling of 26826904 in words is "twenty-six million, eight hundred twenty-six thousand, nine hundred four".