28235632 has 10 divisors (see below), whose sum is σ = 54706568. Its totient is φ = 14117808.

The previous prime is 28235629. The next prime is 28235659. The reversal of 28235632 is 23653282.

It is a junction number, because it is equal to n+sod(n) for n = 28235594 and 28235603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 882348 + ... + 882379.

Almost surely, 2^28235632 is an apocalyptic number.

It is an amenable number.

28235632 is a deficient number, since it is larger than the sum of its proper divisors (26470936).

28235632 is a wasteful number, since it uses less digits than its factorization.

28235632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764735 (or 1764729 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 28235632 is about 5313.7211067198. The cubic root of 28235632 is about 304.5083254438.

The spelling of 28235632 in words is "twenty-eight million, two hundred thirty-five thousand, six hundred thirty-two".