1328933 has 4 divisors (see below), whose sum is σ = 1361388. Its totient is φ = 1296480.

The previous prime is 1328927. The next prime is 1328953. The reversal of 1328933 is 3398231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3398231 = 983 ⋅3457.

It can be written as a sum of positive squares in 2 ways, for example, as 611524 + 717409 = 782^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 1328933 - 2¹² = 1324837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1328896 and 1328905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16166 + ... + 16247.

It is an arithmetic number, because the mean of its divisors is an integer number (340347).

2^1328933 is an apocalyptic number.

It is an amenable number.

1328933 is a deficient number, since it is larger than the sum of its proper divisors (32455).

1328933 is an equidigital number, since it uses as much as digits as its factorization.

1328933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32454.

The product of its digits is 3888, while the sum is 29.

The square root of 1328933 is about 1152.7935634796. The cubic root of 1328933 is about 109.9430283493.

The spelling of 1328933 in words is "one million, three hundred twenty-eight thousand, nine hundred thirty-three".