32320993 has 8 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 30479568.

The previous prime is 32320979. The next prime is 32320999. The reversal of 32320993 is 39902323.

32320993 is nontrivially palindromic in base 16.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32320993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32320999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11713 + ... + 14206.

It is an arithmetic number, because the mean of its divisors is an integer number (4276800).

Almost surely, 2^32320993 is an apocalyptic number.

It is an amenable number.

32320993 is a deficient number, since it is larger than the sum of its proper divisors (1893407).

32320993 is a wasteful number, since it uses less digits than its factorization.

32320993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25991.

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 32320993 is about 5685.1554947952. The cubic root of 32320993 is about 318.5382318620.

It can be divided in two parts, 323 and 20993, that added together give a square (21316 = 146²).

The spelling of 32320993 in words is "thirty-two million, three hundred twenty thousand, nine hundred ninety-three".