83943929 has 2 divisors, whose sum is σ = 83943930. Its totient is φ = 83943928.

The previous prime is 83943913. The next prime is 83943947. The reversal of 83943929 is 92934938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58491904 + 25452025 = 7648^2 + 5045^2 .

It is a cyclic number.

It is not a de Polignac number, because 83943929 - 2⁴ = 83943913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83943949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41971964 + 41971965.

It is an arithmetic number, because the mean of its divisors is an integer number (41971965).

Almost surely, 2^83943929 is an apocalyptic number.

It is an amenable number.

83943929 is a deficient number, since it is larger than the sum of its proper divisors (1).

83943929 is an equidigital number, since it uses as much as digits as its factorization.

83943929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 83943929 is about 9162.0919554434. The cubic root of 83943929 is about 437.8544462598.

The spelling of 83943929 in words is "eighty-three million, nine hundred forty-three thousand, nine hundred twenty-nine".