4289969 has 2 divisors, whose sum is σ = 4289970. Its totient is φ = 4289968.

The previous prime is 4289963. The next prime is 4289977. The reversal of 4289969 is 9699824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3783025 + 506944 = 1945^2 + 712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4289969 is a prime.

It is a super-2 number, since 2×4289969² = 36807668041922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4289963) 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, 2144984 + 2144985.

It is an arithmetic number, because the mean of its divisors is an integer number (2144985).

Almost surely, 2^4289969 is an apocalyptic number.

It is an amenable number.

4289969 is a deficient number, since it is larger than the sum of its proper divisors (1).

4289969 is an equidigital number, since it uses as much as digits as its factorization.

4289969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 47.

The square root of 4289969 is about 2071.2240342368. The cubic root of 4289969 is about 162.4867870914.

The spelling of 4289969 in words is "four million, two hundred eighty-nine thousand, nine hundred sixty-nine".