28334201 has 10 divisors (see below), whose sum is σ = 33057402. Its totient is φ = 24284400.

The previous prime is 28334197. The next prime is 28334209. The reversal of 28334201 is 10243382.

It can be written as a sum of positive squares in only one way, i.e., 24492601 + 3841600 = 4949^2 + 1960^2 .

It is not a de Polignac number, because 28334201 - 2² = 28334197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28334209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3500 + ... + 8301.

Almost surely, 2^28334201 is an apocalyptic number.

It is an amenable number.

28334201 is a deficient number, since it is larger than the sum of its proper divisors (4723201).

28334201 is an frugal number, since it uses more digits than its factorization.

28334201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11829 (or 11808 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 28334201 is about 5322.9879766913. The cubic root of 28334201 is about 304.8622543816.

Adding to 28334201 its reverse (10243382), we get a palindrome (38577583).

The spelling of 28334201 in words is "twenty-eight million, three hundred thirty-four thousand, two hundred one".