27963216 has 60 divisors (see below), whose sum is σ = 81670368. Its totient is φ = 8914752.

The previous prime is 27963203. The next prime is 27963223. The reversal of 27963216 is 61236972.

27963216 is a `hidden beast` number, since 2 + 7 + 9 + 632 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 11 ways as a sum of consecutive naturals, for example, 910 + ... + 7533.

Almost surely, 2^27963216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27963216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40835184).

27963216 is an abundant number, since it is smaller than the sum of its proper divisors (53707152).

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

27963216 is a wasteful number, since it uses less digits than its factorization.

27963216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480 (or 8471 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 27963216 is about 5288.0257185456. The cubic root of 27963216 is about 303.5258652382.

The spelling of 27963216 in words is "twenty-seven million, nine hundred sixty-three thousand, two hundred sixteen".