28350884 has 12 divisors (see below), whose sum is σ = 49681884. Its totient is φ = 14156064.

The previous prime is 28350877. The next prime is 28350899. The reversal of 28350884 is 48805382.

It can be written as a sum of positive squares in 2 ways, for example, as 8352100 + 19998784 = 2890^2 + 4472^2 .

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, 1259 + ... + 7634.

It is an arithmetic number, because the mean of its divisors is an integer number (4140157).

Almost surely, 2^28350884 is an apocalyptic number.

It is an amenable number.

28350884 is a deficient number, since it is larger than the sum of its proper divisors (21331000).

28350884 is a wasteful number, since it uses less digits than its factorization.

28350884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9694 (or 9692 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 28350884 is about 5324.5548170716. The cubic root of 28350884 is about 304.9220763039.

The spelling of 28350884 in words is "twenty-eight million, three hundred fifty thousand, eight hundred eighty-four".