28383201 has 36 divisors (see below), whose sum is σ = 52035984. Its totient is φ = 14742000.

The previous prime is 28383191. The next prime is 28383221. The reversal of 28383201 is 10238382.

It is not a de Polignac number, because 28383201 - 2¹⁰ = 28382177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28383221) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1926 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (1445444).

Almost surely, 2^28383201 is an apocalyptic number.

28383201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28383201 is a deficient number, since it is larger than the sum of its proper divisors (23652783).

28383201 is a wasteful number, since it uses less digits than its factorization.

28383201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882 (or 5872 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 28383201 is about 5327.5886665545. The cubic root of 28383201 is about 305.0378919150.

The spelling of 28383201 in words is "twenty-eight million, three hundred eighty-three thousand, two hundred one".