28529032 has 32 divisors (see below), whose sum is σ = 64353600. Its totient is φ = 11582784.

The previous prime is 28529027. The next prime is 28529041. The reversal of 28529032 is 23092582.

It is a junction number, because it is equal to n+sod(n) for n = 28528985 and 28529003.

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 in 7 ways as a sum of consecutive naturals, for example, 12343 + ... + 14470.

It is an arithmetic number, because the mean of its divisors is an integer number (2011050).

Almost surely, 2^28529032 is an apocalyptic number.

It is an amenable number.

28529032 is an abundant number, since it is smaller than the sum of its proper divisors (35824568).

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

28529032 is a wasteful number, since it uses less digits than its factorization.

28529032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26845 (or 26841 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28529032 is about 5341.2575298332. The cubic root of 28529032 is about 305.5594212085.

The spelling of 28529032 in words is "twenty-eight million, five hundred twenty-nine thousand, thirty-two".