83929393 has 8 divisors (see below), whose sum is σ = 87330600. Its totient is φ = 80562048.

The previous prime is 83929379. The next prime is 83929397. The reversal of 83929393 is 39392938.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36759969 + 47169424 = 6063^2 + 6868^2 .

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-83929393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83929397) 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, 3348 + ... + 13381.

It is an arithmetic number, because the mean of its divisors is an integer number (10916325).

Almost surely, 2^83929393 is an apocalyptic number.

It is an amenable number.

83929393 is a deficient number, since it is larger than the sum of its proper divisors (3401207).

83929393 is a wasteful number, since it uses less digits than its factorization.

83929393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16931.

The product of its digits is 314928, while the sum is 46.

The square root of 83929393 is about 9161.2986524837. The cubic root of 83929393 is about 437.8291713741.

The spelling of 83929393 in words is "eighty-three million, nine hundred twenty-nine thousand, three hundred ninety-three".