8041669 has 2 divisors, whose sum is σ = 8041670. Its totient is φ = 8041668.

The previous prime is 8041667. The next prime is 8041681. The reversal of 8041669 is 9661408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 1600225 = 2538^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 8041669 - 2¹ = 8041667 is a prime.

It is a super-2 number, since 2×8041669² = 129336880611122, which contains 22 as substring.

Together with 8041667, it forms a pair of twin primes.

8041669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8041667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020834 + 4020835.

It is an arithmetic number, because the mean of its divisors is an integer number (4020835).

Almost surely, 2^8041669 is an apocalyptic number.

It is an amenable number.

8041669 is a deficient number, since it is larger than the sum of its proper divisors (1).

8041669 is an equidigital number, since it uses as much as digits as its factorization.

8041669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8041669 is about 2835.7836659379. The cubic root of 8041669 is about 200.3466405213.

The spelling of 8041669 in words is "eight million, forty-one thousand, six hundred sixty-nine".