28851336 has 32 divisors (see below), whose sum is σ = 80143200. Its totient is φ = 9617040.

The previous prime is 28851311. The next prime is 28851343. The reversal of 28851336 is 63315882.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 28851336.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 66570 + ... + 67001.

It is an arithmetic number, because the mean of its divisors is an integer number (2504475).

Almost surely, 2^28851336 is an apocalyptic number.

It is an amenable number.

28851336 is an abundant number, since it is smaller than the sum of its proper divisors (51291864).

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

28851336 is a wasteful number, since it uses less digits than its factorization.

28851336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133586 (or 133576 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 28851336 is about 5371.3439658990. The cubic root of 28851336 is about 306.7057910596.

The spelling of 28851336 in words is "twenty-eight million, eight hundred fifty-one thousand, three hundred thirty-six".