6424402 has 8 divisors (see below), whose sum is σ = 10203516. Its totient is φ = 3023232.

The previous prime is 6424381. The next prime is 6424423. The reversal of 6424402 is 2044246.

It is an interprime number because it is at equal distance from previous prime (6424381) and next prime (6424423).

It can be written as a sum of positive squares in 2 ways, for example, as 6395841 + 28561 = 2529^2 + 169^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94443 + ... + 94510.

Almost surely, 2^6424402 is an apocalyptic number.

6424402 is a deficient number, since it is larger than the sum of its proper divisors (3779114).

6424402 is a wasteful number, since it uses less digits than its factorization.

6424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188972.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 6424402 is about 2534.6404084209. The cubic root of 6424402 is about 185.8992208515.

Adding to 6424402 its reverse (2044246), we get a palindrome (8468648).

The spelling of 6424402 in words is "six million, four hundred twenty-four thousand, four hundred two".