27381324 has 12 divisors (see below), whose sum is σ = 63889784. Its totient is φ = 9127104.

The previous prime is 27381311. The next prime is 27381329. The reversal of 27381324 is 42318372.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 27381291 and 27381300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27381329) 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, 1140877 + ... + 1140900.

Almost surely, 2^27381324 is an apocalyptic number.

It is an amenable number.

27381324 is an abundant number, since it is smaller than the sum of its proper divisors (36508460).

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

27381324 is a wasteful number, since it uses less digits than its factorization.

27381324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281784 (or 2281782 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 27381324 is about 5232.7166940319. The cubic root of 27381324 is about 301.4057140499.

Adding to 27381324 its reverse (42318372), we get a palindrome (69699696).

The spelling of 27381324 in words is "twenty-seven million, three hundred eighty-one thousand, three hundred twenty-four".