83946413 has 2 divisors, whose sum is σ = 83946414. Its totient is φ = 83946412.

The previous prime is 83946407. The next prime is 83946437. The reversal of 83946413 is 31464938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44983849 + 38962564 = 6707^2 + 6242^2 .

It is a cyclic number.

It is not a de Polignac number, because 83946413 - 2⁴ = 83946397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83946463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41973206 + 41973207.

It is an arithmetic number, because the mean of its divisors is an integer number (41973207).

Almost surely, 2^83946413 is an apocalyptic number.

It is an amenable number.

83946413 is a deficient number, since it is larger than the sum of its proper divisors (1).

83946413 is an equidigital number, since it uses as much as digits as its factorization.

83946413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 83946413 is about 9162.2275130014. The cubic root of 83946413 is about 437.8587650940.

The spelling of 83946413 in words is "eighty-three million, nine hundred forty-six thousand, four hundred thirteen".