1328049 has 16 divisors (see below), whose sum is σ = 1991040. Its totient is φ = 874800.

The previous prime is 1328017. The next prime is 1328051. The reversal of 1328049 is 9408231.

It is not a de Polignac number, because 1328049 - 2⁵ = 1328017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1328099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2484 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (124440).

2^1328049 is an apocalyptic number.

It is an amenable number.

1328049 is a deficient number, since it is larger than the sum of its proper divisors (662991).

1328049 is a wasteful number, since it uses less digits than its factorization.

1328049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1328049 is about 1152.4100832603. The cubic root of 1328049 is about 109.9186450797.

The spelling of 1328049 in words is "one million, three hundred twenty-eight thousand, forty-nine".