6243866 has 4 divisors (see below), whose sum is σ = 9365802. Its totient is φ = 3121932.

The previous prime is 6243863. The next prime is 6243869. The reversal of 6243866 is 6683426.

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 (6243863) and next prime (6243869).

It can be written as a sum of positive squares in only one way, i.e., 4932841 + 1311025 = 2221^2 + 1145^2 .

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (6243863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560965 + ... + 1560968.

Almost surely, 2^6243866 is an apocalyptic number.

6243866 is a deficient number, since it is larger than the sum of its proper divisors (3121936).

6243866 is a wasteful number, since it uses less digits than its factorization.

6243866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121935.

The product of its digits is 41472, while the sum is 35.

The square root of 6243866 is about 2498.7728988446. The cubic root of 6243866 is about 184.1412942759.

The spelling of 6243866 in words is "six million, two hundred forty-three thousand, eight hundred sixty-six".