6423426 has 36 divisors (see below), whose sum is σ = 14322438. Its totient is φ = 2080512.

The previous prime is 6423407. The next prime is 6423427. The reversal of 6423426 is 6243246.

It can be written as a sum of positive squares in only one way, i.e., 6007401 + 416025 = 2451^2 + 645^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6423426.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 33186 + ... + 33378.

Almost surely, 2^6423426 is an apocalyptic number.

6423426 is an abundant number, since it is smaller than the sum of its proper divisors (7899012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6423426 is a wasteful number, since it uses less digits than its factorization.

6423426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 241 counting only the distinct ones).

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

The square root of 6423426 is about 2534.4478688661. The cubic root of 6423426 is about 185.8898063914.

The spelling of 6423426 in words is "six million, four hundred twenty-three thousand, four hundred twenty-six".