84443693 has 2 divisors, whose sum is σ = 84443694. Its totient is φ = 84443692.

The previous prime is 84443669. The next prime is 84443707. The reversal of 84443693 is 39634448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75811849 + 8631844 = 8707^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 84443693 - 2⁶ = 84443629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84443693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84443663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42221846 + 42221847.

It is an arithmetic number, because the mean of its divisors is an integer number (42221847).

Almost surely, 2^84443693 is an apocalyptic number.

It is an amenable number.

84443693 is a deficient number, since it is larger than the sum of its proper divisors (1).

84443693 is an equidigital number, since it uses as much as digits as its factorization.

84443693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 84443693 is about 9189.3249480035. The cubic root of 84443693 is about 438.7216563265.

The spelling of 84443693 in words is "eighty-four million, four hundred forty-three thousand, six hundred ninety-three".