6423766 has 4 divisors (see below), whose sum is σ = 9635652. Its totient is φ = 3211882.

The previous prime is 6423763. The next prime is 6423779. The reversal of 6423766 is 6673246.

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

It is a d-powerful number, because it can be written as 6² + 4¹¹ + 2¹³ + 3¹² + 7⁴ + 6⁵ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1605940 + ... + 1605943.

It is an arithmetic number, because the mean of its divisors is an integer number (2408913).

Almost surely, 2^6423766 is an apocalyptic number.

6423766 is a deficient number, since it is larger than the sum of its proper divisors (3211886).

6423766 is a wasteful number, since it uses less digits than its factorization.

6423766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3211885.

The product of its digits is 36288, while the sum is 34.

The square root of 6423766 is about 2534.5149437318. The cubic root of 6423766 is about 185.8930861271.

The spelling of 6423766 in words is "six million, four hundred twenty-three thousand, seven hundred sixty-six".