84087193 has 2 divisors, whose sum is σ = 84087194. Its totient is φ = 84087192.

The previous prime is 84087181. The next prime is 84087239. The reversal of 84087193 is 39178048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84052224 + 34969 = 9168^2 + 187^2 .

It is a cyclic number.

It is not a de Polignac number, because 84087193 - 2⁵ = 84087161 is a prime.

It is not a weakly prime, because it can be changed into another prime (84087893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42043596 + 42043597.

It is an arithmetic number, because the mean of its divisors is an integer number (42043597).

Almost surely, 2^84087193 is an apocalyptic number.

It is an amenable number.

84087193 is a deficient number, since it is larger than the sum of its proper divisors (1).

84087193 is an equidigital number, since it uses as much as digits as its factorization.

84087193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 84087193 is about 9169.9069242823. The cubic root of 84087193 is about 438.1033946881.

The spelling of 84087193 in words is "eighty-four million, eighty-seven thousand, one hundred ninety-three".