6243663 has 8 divisors (see below), whose sum is σ = 8449408. Its totient is φ = 4100184.

The previous prime is 6243661. The next prime is 6243667. The reversal of 6243663 is 3663426.

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

It is not a de Polignac number, because 6243663 - 2¹ = 6243661 is a prime.

It is a Duffinian number.

6243663 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6243663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6243661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15331 + ... + 15732.

It is an arithmetic number, because the mean of its divisors is an integer number (1056176).

Almost surely, 2^6243663 is an apocalyptic number.

6243663 is a deficient number, since it is larger than the sum of its proper divisors (2205745).

6243663 is a wasteful number, since it uses less digits than its factorization.

6243663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31133.

The product of its digits is 15552, while the sum is 30.

The square root of 6243663 is about 2498.7322785765. The cubic root of 6243663 is about 184.1392986593.

The spelling of 6243663 in words is "six million, two hundred forty-three thousand, six hundred sixty-three".