28396368 has 240 divisors, whose sum is σ = 107243136. Its totient is φ = 6773760.

The previous prime is 28396363. The next prime is 28396369. The reversal of 28396368 is 86369382.

28396368 is a `hidden beast` number, since 2 + 8 + 3 + 9 + 636 + 8 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28396363) 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 in 47 ways as a sum of consecutive naturals, for example, 144046 + ... + 144242.

Almost surely, 2^28396368 is an apocalyptic number.

28396368 is a gapful number since it is divisible by the number (28) 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 28396368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53621568).

28396368 is an abundant number, since it is smaller than the sum of its proper divisors (78846768).

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

28396368 is a wasteful number, since it uses less digits than its factorization.

28396368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 233 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 28396368 is about 5328.8242605663. The cubic root of 28396368 is about 305.0850537674.

The spelling of 28396368 in words is "twenty-eight million, three hundred ninety-six thousand, three hundred sixty-eight".