27009438 has 8 divisors (see below), whose sum is σ = 54018888. Its totient is φ = 9003144.

The previous prime is 27009421. The next prime is 27009457. The reversal of 27009438 is 83490072.

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

27009438 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 27009399 and 27009408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2250781 + ... + 2250792.

It is an arithmetic number, because the mean of its divisors is an integer number (6752361).

Almost surely, 2^27009438 is an apocalyptic number.

27009438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27009438 is a wasteful number, since it uses less digits than its factorization.

27009438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4501578.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 27009438 is about 5197.0605153298. The cubic root of 27009438 is about 300.0349514834.

The spelling of 27009438 in words is "twenty-seven million, nine thousand, four hundred thirty-eight".