27994404 has 24 divisors (see below), whose sum is σ = 68160960. Its totient is φ = 8925664.

The previous prime is 27994403. The next prime is 27994411. The reversal of 27994404 is 40449972.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27994403) 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 7 ways as a sum of consecutive naturals, for example, 50439 + ... + 50990.

It is an arithmetic number, because the mean of its divisors is an integer number (2840040).

Almost surely, 2^27994404 is an apocalyptic number.

It is an amenable number.

27994404 is an abundant number, since it is smaller than the sum of its proper divisors (40166556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27994404 is a wasteful number, since it uses less digits than its factorization.

27994404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101459 (or 101457 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 27994404 is about 5290.9738234091. The cubic root of 27994404 is about 303.6386663732.

The spelling of 27994404 in words is "twenty-seven million, nine hundred ninety-four thousand, four hundred four".