27999994 has 16 divisors (see below), whose sum is σ = 45913536. Its totient is φ = 12700800.

The previous prime is 27999943. The next prime is 28000019. The reversal of 27999994 is 49999972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12874 + ... + 14890.

It is an arithmetic number, because the mean of its divisors is an integer number (2869596).

Almost surely, 2^27999994 is an apocalyptic number.

27999994 is a deficient number, since it is larger than the sum of its proper divisors (17913542).

27999994 is a wasteful number, since it uses less digits than its factorization.

27999994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661.

The product of its digits is 3306744, while the sum is 58.

The square root of 27999994 is about 5291.5020551824. The cubic root of 27999994 is about 303.6588754976.

The spelling of 27999994 in words is "twenty-seven million, nine hundred ninety-nine thousand, nine hundred ninety-four".