1304426 has 8 divisors (see below), whose sum is σ = 2059680. Its totient is φ = 617868.

The previous prime is 1304419. The next prime is 1304477. The reversal of 1304426 is 6244031.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1304398 and 1304407.

It is an unprimeable number.

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, 17126 + ... + 17201.

It is an arithmetic number, because the mean of its divisors is an integer number (257460).

2^1304426 is an apocalyptic number.

1304426 is a deficient number, since it is larger than the sum of its proper divisors (755254).

1304426 is a wasteful number, since it uses less digits than its factorization.

1304426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34348.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1304426 is about 1142.1147052726. The cubic root of 1304426 is about 109.2630071072.

Adding to 1304426 its reverse (6244031), we get a palindrome (7548457).

The spelling of 1304426 in words is "one million, three hundred four thousand, four hundred twenty-six".