28394282 has 32 divisors (see below), whose sum is σ = 51321600. Its totient is φ = 11518848.

The previous prime is 28394257. The next prime is 28394287. The reversal of 28394282 is 28249382.

It is not an unprimeable number, because it can be changed into a prime (28394287) 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 15 ways as a sum of consecutive naturals, for example, 34694 + ... + 35502.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^28394282 is an apocalyptic number.

28394282 is a deficient number, since it is larger than the sum of its proper divisors (22927318).

28394282 is a wasteful number, since it uses less digits than its factorization.

28394282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950.

The product of its digits is 55296, while the sum is 38.

The square root of 28394282 is about 5328.6285289932. The cubic root of 28394282 is about 305.0775830584.

The spelling of 28394282 in words is "twenty-eight million, three hundred ninety-four thousand, two hundred eighty-two".