6239863 has 4 divisors (see below), whose sum is σ = 7131280. Its totient is φ = 5348448.

The previous prime is 6239839. The next prime is 6239887. The reversal of 6239863 is 3689326.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (6239839) and next prime (6239887).

It is not a de Polignac number, because 6239863 - 2⁹ = 6239351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6239813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445698 + ... + 445711.

It is an arithmetic number, because the mean of its divisors is an integer number (1782820).

Almost surely, 2^6239863 is an apocalyptic number.

6239863 is a deficient number, since it is larger than the sum of its proper divisors (891417).

6239863 is an equidigital number, since it uses as much as digits as its factorization.

6239863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891416.

The product of its digits is 46656, while the sum is 37.

The square root of 6239863 is about 2497.9717772625. The cubic root of 6239863 is about 184.1019343034.

The spelling of 6239863 in words is "six million, two hundred thirty-nine thousand, eight hundred sixty-three".