84385201 has 2 divisors, whose sum is σ = 84385202. Its totient is φ = 84385200.

The previous prime is 84385181. The next prime is 84385211. The reversal of 84385201 is 10258348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 32890225 = 7176^2 + 5735^2 .

It is a cyclic number.

It is not a de Polignac number, because 84385201 - 2⁷ = 84385073 is a prime.

It is not a weakly prime, because it can be changed into another prime (84385211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42192600 + 42192601.

It is an arithmetic number, because the mean of its divisors is an integer number (42192601).

Almost surely, 2^84385201 is an apocalyptic number.

It is an amenable number.

84385201 is a deficient number, since it is larger than the sum of its proper divisors (1).

84385201 is an equidigital number, since it uses as much as digits as its factorization.

84385201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 84385201 is about 9186.1417907629. The cubic root of 84385201 is about 438.6203358152.

The spelling of 84385201 in words is "eighty-four million, three hundred eighty-five thousand, two hundred one".