6442430 has 16 divisors (see below), whose sum is σ = 11660544. Its totient is φ = 2562720.

The previous prime is 6442427. The next prime is 6442433. The reversal of 6442430 is 342446.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6442427) and next prime (6442433).

It is a junction number, because it is equal to n+sod(n) for n = 6442396 and 6442405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224 + ... + 3596.

It is an arithmetic number, because the mean of its divisors is an integer number (728784).

Almost surely, 2^6442430 is an apocalyptic number.

6442430 is a deficient number, since it is larger than the sum of its proper divisors (5218114).

6442430 is a wasteful number, since it uses less digits than its factorization.

6442430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 6442430 is about 2538.1942400061. The cubic root of 6442430 is about 186.0729470685.

Adding to 6442430 its reverse (342446), we get a palindrome (6784876).

The spelling of 6442430 in words is "six million, four hundred forty-two thousand, four hundred thirty".