83238893 has 2 divisors, whose sum is σ = 83238894. Its totient is φ = 83238892.

The previous prime is 83238821. The next prime is 83238913. The reversal of 83238893 is 39883238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79085449 + 4153444 = 8893^2 + 2038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83238893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83238803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41619446 + 41619447.

It is an arithmetic number, because the mean of its divisors is an integer number (41619447).

Almost surely, 2^83238893 is an apocalyptic number.

It is an amenable number.

83238893 is a deficient number, since it is larger than the sum of its proper divisors (1).

83238893 is an equidigital number, since it uses as much as digits as its factorization.

83238893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 83238893 is about 9123.5351152939. The cubic root of 83238893 is about 436.6251675368.

The spelling of 83238893 in words is "eighty-three million, two hundred thirty-eight thousand, eight hundred ninety-three".