28343336 has 16 divisors (see below), whose sum is σ = 60735840. Its totient is φ = 12147120.

The previous prime is 28343323. The next prime is 28343339. The reversal of 28343336 is 63334382.

It is not an unprimeable number, because it can be changed into a prime (28343339) 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 3 ways as a sum of consecutive naturals, for example, 253010 + ... + 253121.

It is an arithmetic number, because the mean of its divisors is an integer number (3795990).

Almost surely, 2^28343336 is an apocalyptic number.

It is an amenable number.

28343336 is an abundant number, since it is smaller than the sum of its proper divisors (32392504).

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

28343336 is a wasteful number, since it uses less digits than its factorization.

28343336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506144 (or 506140 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 28343336 is about 5323.8459782379. The cubic root of 28343336 is about 304.8950135838.

The spelling of 28343336 in words is "twenty-eight million, three hundred forty-three thousand, three hundred thirty-six".