27406 has 8 divisors (see below), whose sum is σ = 41904. Its totient is φ = 13440.

The previous prime is 27397. The next prime is 27407. The reversal of 27406 is 60472.

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

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46 + ... + 238.

It is an arithmetic number, because the mean of its divisors is an integer number (5238).

2²⁷⁴⁰⁶ is an apocalyptic number.

27406 is a deficient number, since it is larger than the sum of its proper divisors (14498).

27406 is a wasteful number, since it uses less digits than its factorization.

27406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 27406 is about 165.5475762432. The cubic root of 27406 is about 30.1496228961.

Adding to 27406 its reverse (60472), we get a palindrome (87878).

The spelling of 27406 in words is "twenty-seven thousand, four hundred six".