6424424 has 8 divisors (see below), whose sum is σ = 12045810. Its totient is φ = 3212208.

The previous prime is 6424423. The next prime is 6424427. The reversal of 6424424 is 4244246.

It can be written as a sum of positive squares in only one way, i.e., 6340324 + 84100 = 2518^2 + 290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6424393 and 6424402.

It is not an unprimeable number, because it can be changed into a prime (6424423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401519 + ... + 401534.

Almost surely, 2^6424424 is an apocalyptic number.

It is an amenable number.

6424424 is a deficient number, since it is larger than the sum of its proper divisors (5621386).

6424424 is a wasteful number, since it uses less digits than its factorization.

6424424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803059 (or 803055 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 6424424 is about 2534.6447482833. The cubic root of 6424424 is about 185.8994330517.

The spelling of 6424424 in words is "six million, four hundred twenty-four thousand, four hundred twenty-four".