83393318 has 16 divisors (see below), whose sum is σ = 132000000. Its totient is φ = 39404232.

The previous prime is 83393311. The next prime is 83393333. The reversal of 83393318 is 81339338.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83393311) 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, 14183 + ... + 19181.

It is an arithmetic number, because the mean of its divisors is an integer number (8250000).

Almost surely, 2^83393318 is an apocalyptic number.

83393318 is a deficient number, since it is larger than the sum of its proper divisors (48606682).

83393318 is a wasteful number, since it uses less digits than its factorization.

83393318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459.

The product of its digits is 46656, while the sum is 38.

The square root of 83393318 is about 9131.9941962312. The cubic root of 83393318 is about 436.8950100979.

The spelling of 83393318 in words is "eighty-three million, three hundred ninety-three thousand, three hundred eighteen".