32928005 has 8 divisors (see below), whose sum is σ = 43105824. Its totient is φ = 23947600.

The previous prime is 32928001. The next prime is 32928013. The reversal of 32928005 is 50082923.

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

It is not a de Polignac number, because 32928005 - 2² = 32928001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32928001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 299291 + ... + 299400.

It is an arithmetic number, because the mean of its divisors is an integer number (5388228).

Almost surely, 2^32928005 is an apocalyptic number.

It is an amenable number.

32928005 is a deficient number, since it is larger than the sum of its proper divisors (10177819).

32928005 is a wasteful number, since it uses less digits than its factorization.

32928005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598707.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 32928005 is about 5738.2928646070. The cubic root of 32928005 is about 320.5200041382.

The spelling of 32928005 in words is "thirty-two million, nine hundred twenty-eight thousand, five".