6243646 has 8 divisors (see below), whose sum is σ = 9391320. Its totient is φ = 3113208.

The previous prime is 6243631. The next prime is 6243659. The reversal of 6243646 is 6463426.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361 + ... + 4876.

It is an arithmetic number, because the mean of its divisors is an integer number (1173915).

Almost surely, 2^6243646 is an apocalyptic number.

6243646 is a deficient number, since it is larger than the sum of its proper divisors (3147674).

6243646 is a wasteful number, since it uses less digits than its factorization.

6243646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8618.

The product of its digits is 20736, while the sum is 31.

The square root of 6243646 is about 2498.7288768492. The cubic root of 6243646 is about 184.1391315367.

It can be divided in two parts, 6243 and 646, that added together give a square (6889 = 83²).

The spelling of 6243646 in words is "six million, two hundred forty-three thousand, six hundred forty-six".