1328330 has 8 divisors (see below), whose sum is σ = 2391012. Its totient is φ = 531328.

The previous prime is 1328323. The next prime is 1328351. The reversal of 1328330 is 338231.

It can be written as a sum of positive squares in 2 ways, for example, as 1104601 + 223729 = 1051^2 + 473^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66407 + ... + 66426.

2^1328330 is an apocalyptic number.

1328330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328330 is a deficient number, since it is larger than the sum of its proper divisors (1062682).

1328330 is a wasteful number, since it uses less digits than its factorization.

1328330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132840.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1328330 is about 1152.5319952175. The cubic root of 1328330 is about 109.9263970429.

Subtracting from 1328330 its reverse (338231), we obtain a palindrome (990099).

The spelling of 1328330 in words is "one million, three hundred twenty-eight thousand, three hundred thirty".