404468 has 6 divisors (see below), whose sum is σ = 707826. Its totient is φ = 202232.

The previous prime is 404461. The next prime is 404483. The reversal of 404468 is 864404.

It can be written as a sum of positive squares in only one way, i.e., 327184 + 77284 = 572^2 + 278^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404461) by changing a digit.

404468 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 50555 + ... + 50562.

It is an arithmetic number, because the mean of its divisors is an integer number (117971).

2⁴⁰⁴⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

404468 is a deficient number, since it is larger than the sum of its proper divisors (303358).

404468 is a wasteful number, since it uses less digits than its factorization.

404468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101121 (or 101119 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 404468 is about 635.9779870404. The cubic root of 404468 is about 73.9539523601.

The spelling of 404468 in words is "four hundred four thousand, four hundred sixty-eight".