82938193 has 4 divisors (see below), whose sum is σ = 89318068. Its totient is φ = 76558320.

The previous prime is 82938179. The next prime is 82938197. The reversal of 82938193 is 39183928.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38155329 + 44782864 = 6177^2 + 6692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82938193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82938197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3189918 + ... + 3189943.

It is an arithmetic number, because the mean of its divisors is an integer number (22329517).

Almost surely, 2^82938193 is an apocalyptic number.

It is an amenable number.

82938193 is a deficient number, since it is larger than the sum of its proper divisors (6379875).

82938193 is a wasteful number, since it uses less digits than its factorization.

82938193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379874.

The product of its digits is 93312, while the sum is 43.

The square root of 82938193 is about 9107.0408476080. The cubic root of 82938193 is about 436.0987645545.

The spelling of 82938193 in words is "eighty-two million, nine hundred thirty-eight thousand, one hundred ninety-three".