8081849 has 2 divisors, whose sum is σ = 8081850. Its totient is φ = 8081848.

The previous prime is 8081839. The next prime is 8081929. The reversal of 8081849 is 9481808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 2699449 = 2320^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 8081849 - 2⁴ = 8081833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8081839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4040924 + 4040925.

It is an arithmetic number, because the mean of its divisors is an integer number (4040925).

Almost surely, 2^8081849 is an apocalyptic number.

It is an amenable number.

8081849 is a deficient number, since it is larger than the sum of its proper divisors (1).

8081849 is an equidigital number, since it uses as much as digits as its factorization.

8081849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 8081849 is about 2842.8593000710. The cubic root of 8081849 is about 200.6797620006.

The spelling of 8081849 in words is "eight million, eighty-one thousand, eight hundred forty-nine".