27338429 has 6 divisors (see below), whose sum is σ = 27595386. Its totient is φ = 27083840.

The previous prime is 27338413. The next prime is 27338447. The reversal of 27338429 is 92483372.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16900 + 27321529 = 130^2 + 5227^2 .

It is not a de Polignac number, because 27338429 - 2⁴ = 27338413 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27338392 and 27338401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27338459) 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 5 ways as a sum of consecutive naturals, for example, 11699 + ... + 13839.

It is an arithmetic number, because the mean of its divisors is an integer number (4599231).

Almost surely, 2^27338429 is an apocalyptic number.

It is an amenable number.

27338429 is a deficient number, since it is larger than the sum of its proper divisors (256957).

27338429 is an equidigital number, since it uses as much as digits as its factorization.

27338429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367 (or 2254 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 27338429 is about 5228.6163561692. The cubic root of 27338429 is about 301.2482398616.

The spelling of 27338429 in words is "twenty-seven million, three hundred thirty-eight thousand, four hundred twenty-nine".