27849938 has 8 divisors (see below), whose sum is σ = 42347388. Its totient is φ = 13734144.

The previous prime is 27849931. The next prime is 27849959. The reversal of 27849938 is 83994872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26450449 + 1399489 = 5143^2 + 1183^2 .

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

It is not an unprimeable number, because it can be changed into a prime (27849931) 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 3 ways as a sum of consecutive naturals, for example, 95231 + ... + 95522.

Almost surely, 2^27849938 is an apocalyptic number.

27849938 is a deficient number, since it is larger than the sum of its proper divisors (14497450).

27849938 is a wasteful number, since it uses less digits than its factorization.

27849938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190828.

The product of its digits is 870912, while the sum is 50.

The square root of 27849938 is about 5277.3040465753. The cubic root of 27849938 is about 303.1154530312.

The spelling of 27849938 in words is "twenty-seven million, eight hundred forty-nine thousand, nine hundred thirty-eight".