84324197 has 2 divisors, whose sum is σ = 84324198. Its totient is φ = 84324196.

The previous prime is 84324181. The next prime is 84324217. The reversal of 84324197 is 79142348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 35450116 = 6991^2 + 5954^2 .

It is a cyclic number.

It is not a de Polignac number, because 84324197 - 2⁴ = 84324181 is a prime.

It is a super-2 number, since 2×84324197² = 14221140399389618, which contains 22 as substring.

It is equal to p_4906793 and since 84324197 and 4906793 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84324197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84324397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42162098 + 42162099.

It is an arithmetic number, because the mean of its divisors is an integer number (42162099).

Almost surely, 2^84324197 is an apocalyptic number.

It is an amenable number.

84324197 is a deficient number, since it is larger than the sum of its proper divisors (1).

84324197 is an equidigital number, since it uses as much as digits as its factorization.

84324197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 84324197 is about 9182.8207539949. The cubic root of 84324197 is about 438.5146140965.

The spelling of 84324197 in words is "eighty-four million, three hundred twenty-four thousand, one hundred ninety-seven".