84608189 has 2 divisors, whose sum is σ = 84608190. Its totient is φ = 84608188.

The previous prime is 84608171. The next prime is 84608221. The reversal of 84608189 is 98180648.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74736025 + 9872164 = 8645^2 + 3142^2 .

It is a cyclic number.

It is not a de Polignac number, because 84608189 - 2²⁰ = 83559613 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 (84608119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42304094 + 42304095.

It is an arithmetic number, because the mean of its divisors is an integer number (42304095).

Almost surely, 2^84608189 is an apocalyptic number.

It is an amenable number.

84608189 is a deficient number, since it is larger than the sum of its proper divisors (1).

84608189 is an equidigital number, since it uses as much as digits as its factorization.

84608189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 84608189 is about 9198.2709788307. The cubic root of 84608189 is about 439.0063475991.

The spelling of 84608189 in words is "eighty-four million, six hundred eight thousand, one hundred eighty-nine".