83236993 has 8 divisors (see below), whose sum is σ = 95281088. Its totient is φ = 71231184.

The previous prime is 83236991. The next prime is 83236999. The reversal of 83236993 is 39963238.

It is a happy number.

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 83236993 - 2¹ = 83236991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83236991) 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 7 ways as a sum of consecutive naturals, for example, 4746 + ... + 13747.

It is an arithmetic number, because the mean of its divisors is an integer number (11910136).

Almost surely, 2^83236993 is an apocalyptic number.

It is an amenable number.

83236993 is a deficient number, since it is larger than the sum of its proper divisors (12044095).

83236993 is a wasteful number, since it uses less digits than its factorization.

83236993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19143.

The product of its digits is 209952, while the sum is 43.

The square root of 83236993 is about 9123.4309883947. The cubic root of 83236993 is about 436.6218453953.

The spelling of 83236993 in words is "eighty-three million, two hundred thirty-six thousand, nine hundred ninety-three".