26884561 has 8 divisors (see below), whose sum is σ = 30044448. Its totient is φ = 23844000.

The previous prime is 26884553. The next prime is 26884567. The reversal of 26884561 is 16548862.

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

It is a cyclic number.

It is not a de Polignac number, because 26884561 - 2³ = 26884553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26884567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29355 + ... + 30256.

It is an arithmetic number, because the mean of its divisors is an integer number (3755556).

Almost surely, 2^26884561 is an apocalyptic number.

It is an amenable number.

26884561 is a deficient number, since it is larger than the sum of its proper divisors (3159887).

26884561 is a wasteful number, since it uses less digits than its factorization.

26884561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59663.

The product of its digits is 92160, while the sum is 40.

The square root of 26884561 is about 5185.0324010559. The cubic root of 26884561 is about 299.5718373614.

The spelling of 26884561 in words is "twenty-six million, eight hundred eighty-four thousand, five hundred sixty-one".