28653852 has 12 divisors (see below), whose sum is σ = 66859016. Its totient is φ = 9551280.

The previous prime is 28653839. The next prime is 28653871. The reversal of 28653852 is 25835682.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 28653852.

It is a congruent number.

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, 1193899 + ... + 1193922.

Almost surely, 2^28653852 is an apocalyptic number.

It is an amenable number.

28653852 is an abundant number, since it is smaller than the sum of its proper divisors (38205164).

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

28653852 is a wasteful number, since it uses less digits than its factorization.

28653852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387828 (or 2387826 counting only the distinct ones).

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

The square root of 28653852 is about 5352.9292915188. The cubic root of 28653852 is about 306.0043999538.

The spelling of 28653852 in words is "twenty-eight million, six hundred fifty-three thousand, eight hundred fifty-two".