28585936 has 10 divisors (see below), whose sum is σ = 55385282. Its totient is φ = 14292960.

The previous prime is 28585901. The next prime is 28585939. The reversal of 28585936 is 63958582.

It can be written as a sum of positive squares in only one way, i.e., 27625536 + 960400 = 5256^2 + 980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28585939) 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 as a sum of consecutive naturals, namely, 893295 + ... + 893326.

Almost surely, 2^28585936 is an apocalyptic number.

It is an amenable number.

28585936 is a deficient number, since it is larger than the sum of its proper divisors (26799346).

28585936 is a wasteful number, since it uses less digits than its factorization.

28585936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786629 (or 1786623 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 28585936 is about 5346.5817117108. The cubic root of 28585936 is about 305.7624425342.

The spelling of 28585936 in words is "twenty-eight million, five hundred eighty-five thousand, nine hundred thirty-six".