1328450 has 18 divisors (see below), whose sum is σ = 2486169. Its totient is φ = 528120.

The previous prime is 1328449. The next prime is 1328473. The reversal of 1328450 is 548231.

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 26569 = 1141^2 + 163^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=815.

It is a Duffinian 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 in 8 ways as a sum of consecutive naturals, for example, 8069 + ... + 8231.

2^1328450 is an apocalyptic number.

1328450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328450 is a deficient number, since it is larger than the sum of its proper divisors (1157719).

1328450 is an equidigital number, since it uses as much as digits as its factorization.

1328450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1328450 is about 1152.5840533341. The cubic root of 1328450 is about 109.9297071567.

The spelling of 1328450 in words is "one million, three hundred twenty-eight thousand, four hundred fifty".