820883 has 4 divisors (see below), whose sum is σ = 938160. Its totient is φ = 703608.

The previous prime is 820873. The next prime is 820891. The reversal of 820883 is 388028.

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 820883 - 2⁸ = 820627 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (820873) 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, 58628 + ... + 58641.

It is an arithmetic number, because the mean of its divisors is an integer number (234540).

2⁸²⁰⁸⁸³ is an apocalyptic number.

820883 is a deficient number, since it is larger than the sum of its proper divisors (117277).

820883 is a wasteful number, since it uses less digits than its factorization.

820883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117276.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 820883 is about 906.0259378186. The cubic root of 820883 is about 93.6326008994.

The spelling of 820883 in words is "eight hundred twenty thousand, eight hundred eighty-three".