27828032 has 14 divisors (see below), whose sum is σ = 55221378. Its totient is φ = 13913984.

The previous prime is 27828013. The next prime is 27828037. The reversal of 27828032 is 23082872.

It can be written as a sum of positive squares in only one way, i.e., 27709696 + 118336 = 5264^2 + 344^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 27828032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27828037) 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 as a sum of consecutive naturals, namely, 217343 + ... + 217470.

Almost surely, 2^27828032 is an apocalyptic number.

It is an amenable number.

27828032 is a deficient number, since it is larger than the sum of its proper divisors (27393346).

27828032 is an equidigital number, since it uses as much as digits as its factorization.

27828032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434825 (or 434815 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 27828032 is about 5275.2281467250. The cubic root of 27828032 is about 303.0359580747.

The spelling of 27828032 in words is "twenty-seven million, eight hundred twenty-eight thousand, thirty-two".