83391706 has 8 divisors (see below), whose sum is σ = 127996704. Its totient is φ = 40726140.

The previous prime is 83391691. The next prime is 83391719. The reversal of 83391706 is 60719338.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484750 + ... + 484921.

It is an arithmetic number, because the mean of its divisors is an integer number (15999588).

Almost surely, 2^83391706 is an apocalyptic number.

83391706 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

83391706 is a deficient number, since it is larger than the sum of its proper divisors (44604998).

83391706 is a wasteful number, since it uses less digits than its factorization.

83391706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969716.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 83391706 is about 9131.9059346886. The cubic root of 83391706 is about 436.8921950071.

The spelling of 83391706 in words is "eighty-three million, three hundred ninety-one thousand, seven hundred six".