84049841 has 2 divisors, whose sum is σ = 84049842. Its totient is φ = 84049840.

The previous prime is 84049813. The next prime is 84049873. The reversal of 84049841 is 14894048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55651600 + 28398241 = 7460^2 + 5329^2 .

It is a cyclic number.

It is not a de Polignac number, because 84049841 - 2¹⁰ = 84048817 is a prime.

It is equal to p_4891844 and since 84049841 and 4891844 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 84049795 and 84049804.

It is not a weakly prime, because it can be changed into another prime (84049811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42024920 + 42024921.

It is an arithmetic number, because the mean of its divisors is an integer number (42024921).

Almost surely, 2^84049841 is an apocalyptic number.

It is an amenable number.

84049841 is a deficient number, since it is larger than the sum of its proper divisors (1).

84049841 is an equidigital number, since it uses as much as digits as its factorization.

84049841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 84049841 is about 9167.8700361643. The cubic root of 84049841 is about 438.0385157570.

The spelling of 84049841 in words is "eighty-four million, forty-nine thousand, eight hundred forty-one".