1328085 has 24 divisors (see below), whose sum is σ = 2512224. Its totient is φ = 643680.

The previous prime is 1328077. The next prime is 1328087. The reversal of 1328085 is 5808231.

It is a happy number.

It is not a de Polignac number, because 1328085 - 2³ = 1328077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847 + ... + 1836.

It is an arithmetic number, because the mean of its divisors is an integer number (104676).

2^1328085 is an apocalyptic number.

1328085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1328085 is a deficient number, since it is larger than the sum of its proper divisors (1184139).

1328085 is a wasteful number, since it uses less digits than its factorization.

1328085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1328085 is about 1152.4257025943. The cubic root of 1328085 is about 109.9196382748.

The spelling of 1328085 in words is "one million, three hundred twenty-eight thousand, eighty-five".