28355682 has 32 divisors (see below), whose sum is σ = 58927680. Its totient is φ = 9089280.

The previous prime is 28355633. The next prime is 28355687. The reversal of 28355682 is 28655382.

It is a self number, because there is not a number n which added to its sum of digits gives 28355682.

It is not an unprimeable number, because it can be changed into a prime (28355687) 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 in 15 ways as a sum of consecutive naturals, for example, 17169 + ... + 18747.

It is an arithmetic number, because the mean of its divisors is an integer number (1841490).

Almost surely, 2^28355682 is an apocalyptic number.

28355682 is an abundant number, since it is smaller than the sum of its proper divisors (30571998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28355682 is a wasteful number, since it uses less digits than its factorization.

28355682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its digits is 115200, while the sum is 39.

The square root of 28355682 is about 5325.0053521100. The cubic root of 28355682 is about 304.9392766329.

The spelling of 28355682 in words is "twenty-eight million, three hundred fifty-five thousand, six hundred eighty-two".