1426426 has 8 divisors (see below), whose sum is σ = 2149524. Its totient is φ = 709920.

The previous prime is 1426393. The next prime is 1426427. The reversal of 1426426 is 6246241.

It can be written as a sum of positive squares in 2 ways, for example, as 1404225 + 22201 = 1185^2 + 149^2 .

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

It is a super-2 number, since 2×1426426² = 4069382266952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1426426.

It is not an unprimeable number, because it can be changed into a prime (1426427) 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 3 ways as a sum of consecutive naturals, for example, 1065 + ... + 1996.

2^1426426 is an apocalyptic number.

1426426 is a deficient number, since it is larger than the sum of its proper divisors (723098).

1426426 is a wasteful number, since it uses less digits than its factorization.

1426426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296.

The product of its digits is 2304, while the sum is 25.

The square root of 1426426 is about 1194.3307749531. The cubic root of 1426426 is about 112.5683798281.

The spelling of 1426426 in words is "one million, four hundred twenty-six thousand, four hundred twenty-six".