820094 has 8 divisors (see below), whose sum is σ = 1342008. Its totient is φ = 372760.

The previous prime is 820093. The next prime is 820109. The reversal of 820094 is 490028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18617 + ... + 18660.

It is an arithmetic number, because the mean of its divisors is an integer number (167751).

2⁸²⁰⁰⁹⁴ is an apocalyptic number.

820094 is a deficient number, since it is larger than the sum of its proper divisors (521914).

820094 is a wasteful number, since it uses less digits than its factorization.

820094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37290.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 820094 is about 905.5904151436. The cubic root of 820094 is about 93.6025926425.

It can be divided in two parts, 8 and 20094, that added together give a palindrome (20102).

The spelling of 820094 in words is "eight hundred twenty thousand, ninety-four".