28651336 has 16 divisors (see below), whose sum is σ = 61395840. Its totient is φ = 12279120.

The previous prime is 28651321. The next prime is 28651339. The reversal of 28651336 is 63315682.

It is not an unprimeable number, because it can be changed into a prime (28651339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255760 + ... + 255871.

It is an arithmetic number, because the mean of its divisors is an integer number (3837240).

Almost surely, 2^28651336 is an apocalyptic number.

It is an amenable number.

28651336 is an abundant number, since it is smaller than the sum of its proper divisors (32744504).

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

28651336 is a wasteful number, since it uses less digits than its factorization.

28651336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511644 (or 511640 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 28651336 is about 5352.6942748489. The cubic root of 28651336 is about 305.9954432801.

The spelling of 28651336 in words is "twenty-eight million, six hundred fifty-one thousand, three hundred thirty-six".