27104409 has 16 divisors (see below), whose sum is σ = 42517440. Its totient is φ = 17006400.

The previous prime is 27104377. The next prime is 27104411. The reversal of 27104409 is 90440172.

It is a happy number.

It is not a de Polignac number, because 27104409 - 2⁵ = 27104377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27104449) 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 15 ways as a sum of consecutive naturals, for example, 29067 + ... + 29984.

It is an arithmetic number, because the mean of its divisors is an integer number (2657340).

Almost surely, 2^27104409 is an apocalyptic number.

It is an amenable number.

27104409 is a deficient number, since it is larger than the sum of its proper divisors (15413031).

27104409 is a wasteful number, since it uses less digits than its factorization.

27104409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59077 (or 59071 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 27104409 is about 5206.1894894443. The cubic root of 27104409 is about 300.3862026118.

The spelling of 27104409 in words is "twenty-seven million, one hundred four thousand, four hundred nine".