26804090 has 8 divisors (see below), whose sum is σ = 48247380. Its totient is φ = 10721632.

The previous prime is 26804083. The next prime is 26804111. The reversal of 26804090 is 9040862.

It can be written as a sum of positive squares in 2 ways, for example, as 26491609 + 312481 = 5147^2 + 559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340195 + ... + 1340214.

Almost surely, 2^26804090 is an apocalyptic number.

26804090 is a deficient number, since it is larger than the sum of its proper divisors (21443290).

26804090 is a wasteful number, since it uses less digits than its factorization.

26804090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680416.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 26804090 is about 5177.2666533606. The cubic root of 26804090 is about 299.2726453500.

The spelling of 26804090 in words is "twenty-six million, eight hundred four thousand, ninety".