1428326 has 4 divisors (see below), whose sum is σ = 2142492. Its totient is φ = 714162.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428326 is 6238241.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1428295 and 1428304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357080 + ... + 357083.

It is an arithmetic number, because the mean of its divisors is an integer number (535623).

2^1428326 is an apocalyptic number.

1428326 is a deficient number, since it is larger than the sum of its proper divisors (714166).

1428326 is an equidigital number, since it uses as much as digits as its factorization.

1428326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714165.

The product of its digits is 2304, while the sum is 26.

The square root of 1428326 is about 1195.1259347868. The cubic root of 1428326 is about 112.6183380288.

The spelling of 1428326 in words is "one million, four hundred twenty-eight thousand, three hundred twenty-six".