28166336 has 28 divisors (see below), whose sum is σ = 60975240. Its totient is φ = 12802560.

The previous prime is 28166317. The next prime is 28166353. The reversal of 28166336 is 63366182.

28166336 is a modest number, since divided by 6336 gives 2816 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 28166296 and 28166305.

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 3 ways as a sum of consecutive naturals, for example, 19301 + ... + 20708.

Almost surely, 2^28166336 is an apocalyptic number.

It is an amenable number.

28166336 is an abundant number, since it is smaller than the sum of its proper divisors (32808904).

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

28166336 is a wasteful number, since it uses less digits than its factorization.

28166336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40032 (or 40022 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 28166336 is about 5307.1966234539. The cubic root of 28166336 is about 304.2590128646.

It can be divided in two parts, 2816 and 6336, that multiplied together give a square (17842176 = 4224²).

The spelling of 28166336 in words is "twenty-eight million, one hundred sixty-six thousand, three hundred thirty-six".