32428028 has 12 divisors (see below), whose sum is σ = 56789040. Its totient is φ = 16202592.

The previous prime is 32428001. The next prime is 32428031. The reversal of 32428028 is 82082423.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8993 + ... + 12071.

It is an arithmetic number, because the mean of its divisors is an integer number (4732420).

Almost surely, 2^32428028 is an apocalyptic number.

It is an amenable number.

32428028 is a deficient number, since it is larger than the sum of its proper divisors (24361012).

32428028 is a wasteful number, since it uses less digits than its factorization.

32428028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 32428028 is about 5694.5612649264. The cubic root of 32428028 is about 318.8894707860.

The spelling of 32428028 in words is "thirty-two million, four hundred twenty-eight thousand, twenty-eight".