4385669 has 2 divisors, whose sum is σ = 4385670. Its totient is φ = 4385668.

The previous prime is 4385639. The next prime is 4385681. The reversal of 4385669 is 9665834.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3204100 + 1181569 = 1790^2 + 1087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4385669 is a prime.

It is a super-2 number, since 2×4385669² = 38468185155122, 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 (4385629) 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, 2192834 + 2192835.

It is an arithmetic number, because the mean of its divisors is an integer number (2192835).

Almost surely, 2^4385669 is an apocalyptic number.

It is an amenable number.

4385669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4385669 is an equidigital number, since it uses as much as digits as its factorization.

4385669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 4385669 is about 2094.1988921781. The cubic root of 4385669 is about 163.6861561809.

The spelling of 4385669 in words is "four million, three hundred eighty-five thousand, six hundred sixty-nine".