28653682 has 8 divisors (see below), whose sum is σ = 44462700. Its totient is φ = 13832784.

The previous prime is 28653671. The next prime is 28653707. The reversal of 28653682 is 28635682.

It can be written as a sum of positive squares in 2 ways, for example, as 25190361 + 3463321 = 5019^2 + 1861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 246957 + ... + 247072.

Almost surely, 2^28653682 is an apocalyptic number.

28653682 is a deficient number, since it is larger than the sum of its proper divisors (15809018).

28653682 is a wasteful number, since it uses less digits than its factorization.

28653682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494060.

The product of its digits is 138240, while the sum is 40.

The square root of 28653682 is about 5352.9134123391. The cubic root of 28653682 is about 306.0037947897.

The spelling of 28653682 in words is "twenty-eight million, six hundred fifty-three thousand, six hundred eighty-two".