6419426 has 16 divisors (see below), whose sum is σ = 10651704. Its totient is φ = 2882304.

The previous prime is 6419423. The next prime is 6419431. The reversal of 6419426 is 6249146.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4020025 + 2399401 = 2005^2 + 1549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6419392 and 6419401.

It is not an unprimeable number, because it can be changed into a prime (6419423) 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, 2375 + ... + 4298.

Almost surely, 2^6419426 is an apocalyptic number.

6419426 is a deficient number, since it is larger than the sum of its proper divisors (4232278).

6419426 is a wasteful number, since it uses less digits than its factorization.

6419426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725.

The product of its digits is 10368, while the sum is 32.

The square root of 6419426 is about 2533.6586194671. The cubic root of 6419426 is about 185.8512125723.

The spelling of 6419426 in words is "six million, four hundred nineteen thousand, four hundred twenty-six".