28532936 has 16 divisors (see below), whose sum is σ = 56646540. Its totient is φ = 13427200.

The previous prime is 28532929. The next prime is 28532971. The reversal of 28532936 is 63923582.

It can be written as a sum of positive squares in 2 ways, for example, as 24900100 + 3632836 = 4990^2 + 1906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28532936.

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, 104765 + ... + 105036.

Almost surely, 2^28532936 is an apocalyptic number.

It is an amenable number.

28532936 is a deficient number, since it is larger than the sum of its proper divisors (28113604).

28532936 is a wasteful number, since it uses less digits than its factorization.

28532936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209824 (or 209820 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 28532936 is about 5341.6229743403. The cubic root of 28532936 is about 305.5733584681.

The spelling of 28532936 in words is "twenty-eight million, five hundred thirty-two thousand, nine hundred thirty-six".