32455993 has 8 divisors (see below), whose sum is σ = 33600512. Its totient is φ = 31325616.

The previous prime is 32455987. The next prime is 32456003. The reversal of 32455993 is 39955423.

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

It is a cyclic number.

It is not a de Polignac number, because 32455993 - 2¹⁷ = 32324921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32455393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246 + ... + 8152.

It is an arithmetic number, because the mean of its divisors is an integer number (4200064).

Almost surely, 2^32455993 is an apocalyptic number.

It is an amenable number.

32455993 is a deficient number, since it is larger than the sum of its proper divisors (1144519).

32455993 is a wasteful number, since it uses less digits than its factorization.

32455993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7071.

The product of its digits is 145800, while the sum is 40.

The square root of 32455993 is about 5697.0161488274. The cubic root of 32455993 is about 318.9811114886.

The spelling of 32455993 in words is "thirty-two million, four hundred fifty-five thousand, nine hundred ninety-three".