28036368 has 60 divisors (see below), whose sum is σ = 81380208. Its totient is φ = 9344160.

The previous prime is 28036363. The next prime is 28036391. The reversal of 28036368 is 86363082.

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

It is not an unprimeable number, because it can be changed into a prime (28036361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283 + ... + 7493.

Almost surely, 2^28036368 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 28036368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40690104).

28036368 is an abundant number, since it is smaller than the sum of its proper divisors (53343840).

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

28036368 is an equidigital number, since it uses as much as digits as its factorization.

28036368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234 (or 7216 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 28036368 is about 5294.9379599765. The cubic root of 28036368 is about 303.7903101510.

The spelling of 28036368 in words is "twenty-eight million, thirty-six thousand, three hundred sixty-eight".