6600426 has 32 divisors (see below), whose sum is σ = 15458688. Its totient is φ = 1839360.

The previous prime is 6600421. The next prime is 6600431. The reversal of 6600426 is 6240066.

It is an interprime number because it is at equal distance from previous prime (6600421) and next prime (6600431).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6600396 and 6600405.

It is not an unprimeable number, because it can be changed into a prime (6600421) 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 15 ways as a sum of consecutive naturals, for example, 195 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (483084).

Almost surely, 2^6600426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6600426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7729344).

6600426 is an abundant number, since it is smaller than the sum of its proper divisors (8858262).

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

6600426 is a wasteful number, since it uses less digits than its factorization.

6600426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6600426 is about 2569.1294245328. The cubic root of 6600426 is about 187.5817812135.

The spelling of 6600426 in words is "six million, six hundred thousand, four hundred twenty-six".