26906804 has 12 divisors (see below), whose sum is σ = 47553828. Its totient is φ = 13320000.

The previous prime is 26906779. The next prime is 26906819. The reversal of 26906804 is 40860962.

It can be written as a sum of positive squares in 2 ways, for example, as 24010000 + 2896804 = 4900^2 + 1702^2 .

It is a super-2 number, since 2×26906804² = 1447952202988832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32897 + ... + 33704.

It is an arithmetic number, because the mean of its divisors is an integer number (3962819).

Almost surely, 2^26906804 is an apocalyptic number.

It is an amenable number.

26906804 is a deficient number, since it is larger than the sum of its proper divisors (20647024).

26906804 is a wasteful number, since it uses less digits than its factorization.

26906804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66706 (or 66704 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 26906804 is about 5187.1768815031. The cubic root of 26906804 is about 299.6544317244.

The spelling of 26906804 in words is "twenty-six million, nine hundred six thousand, eight hundred four".