1328396 has 6 divisors (see below), whose sum is σ = 2324700. Its totient is φ = 664196.

The previous prime is 1328387. The next prime is 1328407. The reversal of 1328396 is 6938231.

It is an Ulam number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 166046 + ... + 166053.

It is an arithmetic number, because the mean of its divisors is an integer number (387450).

2^1328396 is an apocalyptic number.

It is an amenable number.

1328396 is a deficient number, since it is larger than the sum of its proper divisors (996304).

1328396 is a wasteful number, since it uses less digits than its factorization.

1328396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332103 (or 332101 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 1328396 is about 1152.5606274726. The cubic root of 1328396 is about 109.9282176302.

The spelling of 1328396 in words is "one million, three hundred twenty-eight thousand, three hundred ninety-six".