466821 has 6 divisors (see below), whose sum is σ = 674310. Its totient is φ = 311208.

The previous prime is 466819. The next prime is 466853. The reversal of 466821 is 128664.

It can be written as a sum of positive squares in only one way, i.e., 314721 + 152100 = 561^2 + 390^2 .

It is not a de Polignac number, because 466821 - 2¹ = 466819 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (466801) 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 5 ways as a sum of consecutive naturals, for example, 25926 + ... + 25943.

It is an arithmetic number, because the mean of its divisors is an integer number (112385).

2⁴⁶⁶⁸²¹ is an apocalyptic number.

It is an amenable number.

466821 is a deficient number, since it is larger than the sum of its proper divisors (207489).

466821 is a wasteful number, since it uses less digits than its factorization.

466821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51875 (or 51872 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 466821 is about 683.2430021596. The cubic root of 466821 is about 77.5741087854.

The spelling of 466821 in words is "four hundred sixty-six thousand, eight hundred twenty-one".