6239866 has 16 divisors (see below), whose sum is σ = 10172160. Its totient is φ = 2859840.

The previous prime is 6239839. The next prime is 6239887. The reversal of 6239866 is 6689326.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471 + ... + 3826.

It is an arithmetic number, because the mean of its divisors is an integer number (635760).

Almost surely, 2^6239866 is an apocalyptic number.

6239866 is a deficient number, since it is larger than the sum of its proper divisors (3932294).

6239866 is a wasteful number, since it uses less digits than its factorization.

6239866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349.

The product of its digits is 93312, while the sum is 40.

The square root of 6239866 is about 2497.9723777496. The cubic root of 6239866 is about 184.1019638076.

The spelling of 6239866 in words is "six million, two hundred thirty-nine thousand, eight hundred sixty-six".