84238201 has 2 divisors, whose sum is σ = 84238202. Its totient is φ = 84238200.

The previous prime is 84238199. The next prime is 84238249. The reversal of 84238201 is 10283248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81432576 + 2805625 = 9024^2 + 1675^2 .

It is a cyclic number.

It is not a de Polignac number, because 84238201 - 2¹ = 84238199 is a prime.

Together with 84238199, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 84238201.

It is not a weakly prime, because it can be changed into another prime (84238291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42119100 + 42119101.

It is an arithmetic number, because the mean of its divisors is an integer number (42119101).

Almost surely, 2^84238201 is an apocalyptic number.

It is an amenable number.

84238201 is a deficient number, since it is larger than the sum of its proper divisors (1).

84238201 is an equidigital number, since it uses as much as digits as its factorization.

84238201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 84238201 is about 9178.1371203529. The cubic root of 84238201 is about 438.3654938726.

The spelling of 84238201 in words is "eighty-four million, two hundred thirty-eight thousand, two hundred one".