820327 has 4 divisors (see below), whose sum is σ = 842536. Its totient is φ = 798120.

The previous prime is 820321. The next prime is 820331. The reversal of 820327 is 723028.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 820327 - 2³ = 820319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 820298 and 820307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820321) 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, 11049 + ... + 11122.

It is an arithmetic number, because the mean of its divisors is an integer number (210634).

2⁸²⁰³²⁷ is an apocalyptic number.

820327 is a deficient number, since it is larger than the sum of its proper divisors (22209).

820327 is a wasteful number, since it uses less digits than its factorization.

820327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22208.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 820327 is about 905.7190513620. The cubic root of 820327 is about 93.6114563984.

The spelling of 820327 in words is "eight hundred twenty thousand, three hundred twenty-seven".