404461 has 2 divisors, whose sum is σ = 404462. Its totient is φ = 404460.

The previous prime is 404449. The next prime is 404483. The reversal of 404461 is 164404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281961 + 122500 = 531^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 404461 - 2⁵ = 404429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202230 + 202231.

It is an arithmetic number, because the mean of its divisors is an integer number (202231).

2⁴⁰⁴⁴⁶¹ is an apocalyptic number.

It is an amenable number.

404461 is a deficient number, since it is larger than the sum of its proper divisors (1).

404461 is an equidigital number, since it uses as much as digits as its factorization.

404461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 404461 is about 635.9724836815. The cubic root of 404461 is about 73.9535257251.

Adding to 404461 its reverse (164404), we get a palindrome (568865).

The spelling of 404461 in words is "four hundred four thousand, four hundred sixty-one".