27999394 has 8 divisors (see below), whose sum is σ = 42711120. Its totient is φ = 13762356.

The previous prime is 27999371. The next prime is 27999397. The reversal of 27999394 is 49399972.

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 (27999397) 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, 118524 + ... + 118759.

It is an arithmetic number, because the mean of its divisors is an integer number (5338890).

Almost surely, 2^27999394 is an apocalyptic number.

27999394 is a deficient number, since it is larger than the sum of its proper divisors (14711726).

27999394 is a wasteful number, since it uses less digits than its factorization.

27999394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237344.

The product of its digits is 1102248, while the sum is 52.

The square root of 27999394 is about 5291.4453602017. The cubic root of 27999394 is about 303.6567064897.

The spelling of 27999394 in words is "twenty-seven million, nine hundred ninety-nine thousand, three hundred ninety-four".