83933993 has 8 divisors (see below), whose sum is σ = 98607936. Its totient is φ = 70434000.

The previous prime is 83933989. The next prime is 83934007. The reversal of 83933993 is 39933938.

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

It is not a de Polignac number, because 83933993 - 2² = 83933989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83933933) 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, 293333 + ... + 293618.

It is an arithmetic number, because the mean of its divisors is an integer number (12325992).

Almost surely, 2^83933993 is an apocalyptic number.

It is an amenable number.

83933993 is a deficient number, since it is larger than the sum of its proper divisors (14673943).

83933993 is a wasteful number, since it uses less digits than its factorization.

83933993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586975.

The product of its digits is 472392, while the sum is 47.

The square root of 83933993 is about 9161.5497051536. The cubic root of 83933993 is about 437.8371700713.

The spelling of 83933993 in words is "eighty-three million, nine hundred thirty-three thousand, nine hundred ninety-three".