27994436 has 12 divisors (see below), whose sum is σ = 49044240. Its totient is φ = 13981800.

The previous prime is 27994433. The next prime is 27994453. The reversal of 27994436 is 63449972.

It is not an unprimeable number, because it can be changed into a prime (27994433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 7533.

It is an arithmetic number, because the mean of its divisors is an integer number (4087020).

Almost surely, 2^27994436 is an apocalyptic number.

It is an amenable number.

27994436 is a deficient number, since it is larger than the sum of its proper divisors (21049804).

27994436 is a wasteful number, since it uses less digits than its factorization.

27994436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714 (or 7712 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 27994436 is about 5290.9768474262. The cubic root of 27994436 is about 303.6387820682.

The spelling of 27994436 in words is "twenty-seven million, nine hundred ninety-four thousand, four hundred thirty-six".