27238430 has 16 divisors (see below), whose sum is σ = 49306320. Its totient is φ = 10833792.

The previous prime is 27238423. The next prime is 27238433. The reversal of 27238430 is 3483272.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 27238393 and 27238402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27238433) 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 7 ways as a sum of consecutive naturals, for example, 5819 + ... + 9398.

It is an arithmetic number, because the mean of its divisors is an integer number (3081645).

Almost surely, 2^27238430 is an apocalyptic number.

27238430 is a deficient number, since it is larger than the sum of its proper divisors (22067890).

27238430 is a wasteful number, since it uses less digits than its factorization.

27238430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 27238430 is about 5219.0449317859. The cubic root of 27238430 is about 300.8804873526.

The spelling of 27238430 in words is "twenty-seven million, two hundred thirty-eight thousand, four hundred thirty".