27964312 has 8 divisors (see below), whose sum is σ = 52433100. Its totient is φ = 13982152.

The previous prime is 27964301. The next prime is 27964327. The reversal of 27964312 is 21346972.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1747762 + ... + 1747777.

Almost surely, 2^27964312 is an apocalyptic number.

It is an amenable number.

27964312 is a deficient number, since it is larger than the sum of its proper divisors (24468788).

27964312 is a wasteful number, since it uses less digits than its factorization.

27964312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495545 (or 3495541 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 27964312 is about 5288.1293478885. The cubic root of 27964312 is about 303.5298306857.

The spelling of 27964312 in words is "twenty-seven million, nine hundred sixty-four thousand, three hundred twelve".