84490163 has 2 divisors, whose sum is σ = 84490164. Its totient is φ = 84490162.

The previous prime is 84490157. The next prime is 84490243. The reversal of 84490163 is 36109448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84490163 - 2¹⁸ = 84228019 is a prime.

It is not a weakly prime, because it can be changed into another prime (84490123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42245081 + 42245082.

It is an arithmetic number, because the mean of its divisors is an integer number (42245082).

Almost surely, 2^84490163 is an apocalyptic number.

84490163 is a deficient number, since it is larger than the sum of its proper divisors (1).

84490163 is an equidigital number, since it uses as much as digits as its factorization.

84490163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 84490163 is about 9191.8530775900. The cubic root of 84490163 is about 438.8021188455.

The spelling of 84490163 in words is "eighty-four million, four hundred ninety thousand, one hundred sixty-three".