27842438 has 16 divisors (see below), whose sum is σ = 45284400. Its totient is φ = 12762336.

The previous prime is 27842417. The next prime is 27842459. The reversal of 27842438 is 83424872.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27842417) and next prime (27842459).

It is a congruent number.

It is an unprimeable number.

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, 281 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (2830275).

Almost surely, 2^27842438 is an apocalyptic number.

27842438 is a deficient number, since it is larger than the sum of its proper divisors (17441962).

27842438 is a wasteful number, since it uses less digits than its factorization.

27842438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its digits is 86016, while the sum is 38.

The square root of 27842438 is about 5276.5934086302. The cubic root of 27842438 is about 303.0882408821.

The spelling of 27842438 in words is "twenty-seven million, eight hundred forty-two thousand, four hundred thirty-eight".