83471893 has 8 divisors (see below), whose sum is σ = 84464640. Its totient is φ = 82484640.

The previous prime is 83471881. The next prime is 83471897. The reversal of 83471893 is 39817438.

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 a de Polignac number, because none of the positive numbers 2^k-83471893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83471897) 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, 34518 + ... + 36856.

It is an arithmetic number, because the mean of its divisors is an integer number (10558080).

Almost surely, 2^83471893 is an apocalyptic number.

It is an amenable number.

83471893 is a deficient number, since it is larger than the sum of its proper divisors (992747).

83471893 is a wasteful number, since it uses less digits than its factorization.

83471893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2747.

The product of its digits is 145152, while the sum is 43.

The square root of 83471893 is about 9136.2953651904. The cubic root of 83471893 is about 437.0321843545.

It can be divided in two parts, 834 and 71893, that added together give a palindrome (72727).

The spelling of 83471893 in words is "eighty-three million, four hundred seventy-one thousand, eight hundred ninety-three".