8450669 has 2 divisors, whose sum is σ = 8450670. Its totient is φ = 8450668.

The previous prime is 8450653. The next prime is 8450681. The reversal of 8450669 is 9660548.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7155625 + 1295044 = 2675^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 8450669 - 2⁴ = 8450653 is a prime.

It is a super-2 number, since 2×8450669² = 142827613095122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8450609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225334 + 4225335.

It is an arithmetic number, because the mean of its divisors is an integer number (4225335).

Almost surely, 2^8450669 is an apocalyptic number.

It is an amenable number.

8450669 is a deficient number, since it is larger than the sum of its proper divisors (1).

8450669 is an equidigital number, since it uses as much as digits as its factorization.

8450669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8450669 is about 2907.0034399704. The cubic root of 8450669 is about 203.6871807543.

It can be divided in two parts, 8450 and 669, that added together give a palindrome (9119).

The spelling of 8450669 in words is "eight million, four hundred fifty thousand, six hundred sixty-nine".