6339869 has 2 divisors, whose sum is σ = 6339870. Its totient is φ = 6339868.

The previous prime is 6339847. The next prime is 6339899. The reversal of 6339869 is 9689336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 2088025 = 2062^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 6339869 - 2¹² = 6335773 is a prime.

It is a super-2 number, since 2×6339869² = 80387877874322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6339899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169934 + 3169935.

It is an arithmetic number, because the mean of its divisors is an integer number (3169935).

Almost surely, 2^6339869 is an apocalyptic number.

It is an amenable number.

6339869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6339869 is an equidigital number, since it uses as much as digits as its factorization.

6339869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 6339869 is about 2517.9096488953. The cubic root of 6339869 is about 185.0802573615.

The spelling of 6339869 in words is "six million, three hundred thirty-nine thousand, eight hundred sixty-nine".