28333348 has 12 divisors (see below), whose sum is σ = 51293340. Its totient is φ = 13678112.

The previous prime is 28333307. The next prime is 28333367. The reversal of 28333348 is 84333382.

It can be written as a sum of positive squares in 2 ways, for example, as 7884864 + 20448484 = 2808^2 + 4522^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122011 + ... + 122242.

It is an arithmetic number, because the mean of its divisors is an integer number (4274445).

Almost surely, 2^28333348 is an apocalyptic number.

It is an amenable number.

28333348 is a deficient number, since it is larger than the sum of its proper divisors (22959992).

28333348 is a wasteful number, since it uses less digits than its factorization.

28333348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244286 (or 244284 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 28333348 is about 5322.9078519170. The cubic root of 28333348 is about 304.8591950622.

Adding to 28333348 its sum of digits (34), we get a palindrome (28333382).

The spelling of 28333348 in words is "twenty-eight million, three hundred thirty-three thousand, three hundred forty-eight".