28483328 has 18 divisors (see below), whose sum is σ = 56855904. Its totient is φ = 14241536.

The previous prime is 28483321. The next prime is 28483331. The reversal of 28483328 is 82338482.

It is a super-2 number, since 2×28483328² = 1622599947911168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28483291 and 28483300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28483321) 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 as a sum of consecutive naturals, namely, 55376 + ... + 55887.

Almost surely, 2^28483328 is an apocalyptic number.

It is an amenable number.

28483328 is a deficient number, since it is larger than the sum of its proper divisors (28372576).

28483328 is an equidigital number, since it uses as much as digits as its factorization.

28483328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111279 (or 111265 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 28483328 is about 5336.9774217248. The cubic root of 28483328 is about 305.3961635140.

The spelling of 28483328 in words is "twenty-eight million, four hundred eighty-three thousand, three hundred twenty-eight".