5999869 has 2 divisors, whose sum is σ = 5999870. Its totient is φ = 5999868.

The previous prime is 5999863. The next prime is 5999881. The reversal of 5999869 is 9689995.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4897369 + 1102500 = 2213^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 5999869 - 2¹³ = 5991677 is a prime.

It is a super-2 number, since 2×5999869² = 71996856034322, 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 (5999863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999934 + 2999935.

It is an arithmetic number, because the mean of its divisors is an integer number (2999935).

Almost surely, 2^5999869 is an apocalyptic number.

It is an amenable number.

5999869 is a deficient number, since it is larger than the sum of its proper divisors (1).

5999869 is an equidigital number, since it uses as much as digits as its factorization.

5999869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 55.

The square root of 5999869 is about 2449.4630023742. The cubic root of 5999869 is about 181.7107368136.

It can be divided in two parts, 599986 and 9, that added together give a palindrome (599995).

The spelling of 5999869 in words is "five million, nine hundred ninety-nine thousand, eight hundred sixty-nine".