468821 has 2 divisors, whose sum is σ = 468822. Its totient is φ = 468820.

The previous prime is 468817. The next prime is 468841. The reversal of 468821 is 128864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 372100 + 96721 = 610^2 + 311^2 .

It is a cyclic number.

It is not a de Polignac number, because 468821 - 2² = 468817 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 468821.

It is not a weakly prime, because it can be changed into another prime (468841) 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 as a sum of consecutive naturals, namely, 234410 + 234411.

It is an arithmetic number, because the mean of its divisors is an integer number (234411).

2⁴⁶⁸⁸²¹ is an apocalyptic number.

It is an amenable number.

468821 is a deficient number, since it is larger than the sum of its proper divisors (1).

468821 is an equidigital number, since it uses as much as digits as its factorization.

468821 is an odious number, because the sum of its binary digits is odd.

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

The square root of 468821 is about 684.7050459870. The cubic root of 468821 is about 77.6847344688.

The spelling of 468821 in words is "four hundred sixty-eight thousand, eight hundred twenty-one".