84354269 has 2 divisors, whose sum is σ = 84354270. Its totient is φ = 84354268.

The previous prime is 84354253. The next prime is 84354307. The reversal of 84354269 is 96245348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60637369 + 23716900 = 7787^2 + 4870^2 .

It is a cyclic number.

It is not a de Polignac number, because 84354269 - 2⁴ = 84354253 is a prime.

It is a super-2 number, since 2×84354269² = 14231285397048722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84354209) 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, 42177134 + 42177135.

It is an arithmetic number, because the mean of its divisors is an integer number (42177135).

Almost surely, 2^84354269 is an apocalyptic number.

It is an amenable number.

84354269 is a deficient number, since it is larger than the sum of its proper divisors (1).

84354269 is an equidigital number, since it uses as much as digits as its factorization.

84354269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 84354269 is about 9184.4580134050. The cubic root of 84354269 is about 438.5667361233.

The spelling of 84354269 in words is "eighty-four million, three hundred fifty-four thousand, two hundred sixty-nine".