404273 has 2 divisors, whose sum is σ = 404274. Its totient is φ = 404272.

The previous prime is 404269. The next prime is 404291. The reversal of 404273 is 372404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262144 + 142129 = 512^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 404273 - 2² = 404269 is a prime.

It is not a weakly prime, because it can be changed into another prime (404213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202136 + 202137.

It is an arithmetic number, because the mean of its divisors is an integer number (202137).

2⁴⁰⁴²⁷³ is an apocalyptic number.

It is an amenable number.

404273 is a deficient number, since it is larger than the sum of its proper divisors (1).

404273 is an equidigital number, since it uses as much as digits as its factorization.

404273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 404273 is about 635.8246613651. The cubic root of 404273 is about 73.9420656852.

Adding to 404273 its reverse (372404), we get a palindrome (776677).

The spelling of 404273 in words is "four hundred four thousand, two hundred seventy-three", and thus it is an iban number.