28355792 has 10 divisors (see below), whose sum is σ = 54939378. Its totient is φ = 14177888.

The previous prime is 28355783. The next prime is 28355827. The reversal of 28355792 is 29755382.

It can be written as a sum of positive squares in only one way, i.e., 28344976 + 10816 = 5324^2 + 104^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 886103 + ... + 886134.

Almost surely, 2^28355792 is an apocalyptic number.

It is an amenable number.

28355792 is a deficient number, since it is larger than the sum of its proper divisors (26583586).

28355792 is a wasteful number, since it uses less digits than its factorization.

28355792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772245 (or 1772239 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 28355792 is about 5325.0156807281. The cubic root of 28355792 is about 304.9396709486.

The spelling of 28355792 in words is "twenty-eight million, three hundred fifty-five thousand, seven hundred ninety-two".