84364249 has 2 divisors, whose sum is σ = 84364250. Its totient is φ = 84364248.

The previous prime is 84364223. The next prime is 84364279. The reversal of 84364249 is 94246348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65934400 + 18429849 = 8120^2 + 4293^2 .

It is a cyclic number.

It is not a de Polignac number, because 84364249 - 2¹⁹ = 83839961 is a prime.

It is not a weakly prime, because it can be changed into another prime (84364279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42182124 + 42182125.

It is an arithmetic number, because the mean of its divisors is an integer number (42182125).

Almost surely, 2^84364249 is an apocalyptic number.

It is an amenable number.

84364249 is a deficient number, since it is larger than the sum of its proper divisors (1).

84364249 is an equidigital number, since it uses as much as digits as its factorization.

84364249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 84364249 is about 9185.0013064779. The cubic root of 84364249 is about 438.5840311319.

The spelling of 84364249 in words is "eighty-four million, three hundred sixty-four thousand, two hundred forty-nine".