5658869 has 2 divisors, whose sum is σ = 5658870. Its totient is φ = 5658868.

The previous prime is 5658859. The next prime is 5658889. The reversal of 5658869 is 9688565.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3591025 + 2067844 = 1895^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 5658869 - 2⁸ = 5658613 is a prime.

It is a super-2 number, since 2×5658869² = 64045596718322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5658839) 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, 2829434 + 2829435.

It is an arithmetic number, because the mean of its divisors is an integer number (2829435).

Almost surely, 2^5658869 is an apocalyptic number.

It is an amenable number.

5658869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5658869 is an equidigital number, since it uses as much as digits as its factorization.

5658869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 47.

The square root of 5658869 is about 2378.8377414191. The cubic root of 5658869 is about 178.2008946720.

The spelling of 5658869 in words is "five million, six hundred fifty-eight thousand, eight hundred sixty-nine".