84936197 has 2 divisors, whose sum is σ = 84936198. Its totient is φ = 84936196.

The previous prime is 84936193. The next prime is 84936221. The reversal of 84936197 is 79163948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84750436 + 185761 = 9206^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 84936197 - 2² = 84936193 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 (84936193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42468098 + 42468099.

It is an arithmetic number, because the mean of its divisors is an integer number (42468099).

Almost surely, 2^84936197 is an apocalyptic number.

It is an amenable number.

84936197 is a deficient number, since it is larger than the sum of its proper divisors (1).

84936197 is an equidigital number, since it uses as much as digits as its factorization.

84936197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 84936197 is about 9216.0836042215. The cubic root of 84936197 is about 439.5729275515.

The spelling of 84936197 in words is "eighty-four million, nine hundred thirty-six thousand, one hundred ninety-seven".