6424623 has 16 divisors (see below), whose sum is σ = 10078560. Its totient is φ = 4030848.

The previous prime is 6424619. The next prime is 6424637. The reversal of 6424623 is 3264246.

It is not a de Polignac number, because 6424623 - 2² = 6424619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 6 + 4³ + 2¹⁷ + 4¹¹ + 6⁴ + 2²¹ + 3⁶ .

6424623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6540 + ... + 7457.

It is an arithmetic number, because the mean of its divisors is an integer number (629910).

Almost surely, 2^6424623 is an apocalyptic number.

6424623 is a deficient number, since it is larger than the sum of its proper divisors (3653937).

6424623 is a wasteful number, since it uses less digits than its factorization.

6424623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14023 (or 14017 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 6424623 is about 2534.6840039737. The cubic root of 6424623 is about 185.9013524769.

Adding to 6424623 its reverse (3264246), we get a palindrome (9688869).

The spelling of 6424623 in words is "six million, four hundred twenty-four thousand, six hundred twenty-three".