84114421 has 2 divisors, whose sum is σ = 84114422. Its totient is φ = 84114420.

The previous prime is 84114409. The next prime is 84114449. The reversal of 84114421 is 12441148.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 35533521 = 6970^2 + 5961^2 .

It is a cyclic number.

It is not a de Polignac number, because 84114421 - 2⁵ = 84114389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84114461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42057210 + 42057211.

It is an arithmetic number, because the mean of its divisors is an integer number (42057211).

Almost surely, 2^84114421 is an apocalyptic number.

It is an amenable number.

84114421 is a deficient number, since it is larger than the sum of its proper divisors (1).

84114421 is an equidigital number, since it uses as much as digits as its factorization.

84114421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 25.

The square root of 84114421 is about 9171.3914429600. The cubic root of 84114421 is about 438.1506765293.

Adding to 84114421 its reverse (12441148), we get a palindrome (96555569).

The spelling of 84114421 in words is "eighty-four million, one hundred fourteen thousand, four hundred twenty-one".