84508849 has 2 divisors, whose sum is σ = 84508850. Its totient is φ = 84508848.

The previous prime is 84508829. The next prime is 84508859. The reversal of 84508849 is 94880548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82901025 + 1607824 = 9105^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 84508849 - 2¹⁵ = 84476081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84508799 and 84508808.

It is not a weakly prime, because it can be changed into another prime (84508829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42254424 + 42254425.

It is an arithmetic number, because the mean of its divisors is an integer number (42254425).

Almost surely, 2^84508849 is an apocalyptic number.

It is an amenable number.

84508849 is a deficient number, since it is larger than the sum of its proper divisors (1).

84508849 is an equidigital number, since it uses as much as digits as its factorization.

84508849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 46.

The square root of 84508849 is about 9192.8694649712. The cubic root of 84508849 is about 438.8344652225.

The spelling of 84508849 in words is "eighty-four million, five hundred eight thousand, eight hundred forty-nine".