27994464 has 48 divisors (see below), whose sum is σ = 81653040. Its totient is φ = 9331200.

The previous prime is 27994453. The next prime is 27994471. The reversal of 27994464 is 46449972.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

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, 15337 + ... + 17064.

It is an arithmetic number, because the mean of its divisors is an integer number (1701105).

Almost surely, 2^27994464 is an apocalyptic number.

27994464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27994464 is an abundant number, since it is smaller than the sum of its proper divisors (53658576).

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

27994464 is a wasteful number, since it uses less digits than its factorization.

27994464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32420 (or 32406 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 27994464 is about 5290.9794934398. The cubic root of 27994464 is about 303.6388833012.

The spelling of 27994464 in words is "twenty-seven million, nine hundred ninety-four thousand, four hundred sixty-four".