469721 has 4 divisors (see below), whose sum is σ = 536832. Its totient is φ = 402612.

The previous prime is 469717. The next prime is 469723. The reversal of 469721 is 127964.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 469721 - 2² = 469717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 469721.

It is not an unprimeable number, because it can be changed into a prime (469723) 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, 33545 + ... + 33558.

It is an arithmetic number, because the mean of its divisors is an integer number (134208).

2⁴⁶⁹⁷²¹ is an apocalyptic number.

It is an amenable number.

469721 is a deficient number, since it is larger than the sum of its proper divisors (67111).

469721 is an equidigital number, since it uses as much as digits as its factorization.

469721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67110.

The product of its digits is 3024, while the sum is 29.

The square root of 469721 is about 685.3619481705. The cubic root of 469721 is about 77.7344133932.

The spelling of 469721 in words is "four hundred sixty-nine thousand, seven hundred twenty-one".