32916993 has 4 divisors (see below), whose sum is σ = 43889328. Its totient is φ = 21944660.

The previous prime is 32916977. The next prime is 32917037. The reversal of 32916993 is 39961923.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32916993 - 2⁴ = 32916977 is a prime.

It is a super-3 number, since 3×32916993³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (32916293) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5486163 + ... + 5486168.

It is an arithmetic number, because the mean of its divisors is an integer number (10972332).

Almost surely, 2^32916993 is an apocalyptic number.

It is an amenable number.

32916993 is a deficient number, since it is larger than the sum of its proper divisors (10972335).

32916993 is a wasteful number, since it uses less digits than its factorization.

32916993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972334.

The product of its digits is 78732, while the sum is 42.

The square root of 32916993 is about 5737.3332655512. Note that the first 3 decimals coincide. The cubic root of 32916993 is about 320.4842700185.

The spelling of 32916993 in words is "thirty-two million, nine hundred sixteen thousand, nine hundred ninety-three".