27396 has 18 divisors (see below), whose sum is σ = 69342. Its totient is φ = 9120.

The previous prime is 27367. The next prime is 27397. The reversal of 27396 is 69372.

It can be written as a sum of positive squares in only one way, i.e., 14400 + 12996 = 120^2 + 114^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27397) by changing a digit.

27396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345 + ... + 416.

2²⁷³⁹⁶ is an apocalyptic number.

It is an amenable number.

27396 is an abundant number, since it is smaller than the sum of its proper divisors (41946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27396 is a wasteful number, since it uses less digits than its factorization.

27396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 766 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 27396 is about 165.5173706896. The cubic root of 27396 is about 30.1459554156.

The spelling of 27396 in words is "twenty-seven thousand, three hundred ninety-six".