28327936 has 120 divisors (see below), whose sum is σ = 73398080. Its totient is φ = 10616832.

The previous prime is 28327931. The next prime is 28327939. The reversal of 28327936 is 63972382.

It is not an unprimeable number, because it can be changed into a prime (28327931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490935 + ... + 1490953.

Almost surely, 2^28327936 is an apocalyptic number.

28327936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28327936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36699040).

28327936 is an abundant number, since it is smaller than the sum of its proper divisors (45070144).

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

28327936 is an equidigital number, since it uses as much as digits as its factorization.

28327936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 41 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 28327936 is about 5322.3994588907. The cubic root of 28327936 is about 304.8397832719.

The spelling of 28327936 in words is "twenty-eight million, three hundred twenty-seven thousand, nine hundred thirty-six".