404966 has 8 divisors (see below), whose sum is σ = 639480. Its totient is φ = 191808.

The previous prime is 404959. The next prime is 404969. The reversal of 404966 is 669404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×404966² = 327994922312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404969) by changing a digit.

404966 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 in 3 ways as a sum of consecutive naturals, for example, 5291 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (79935).

2⁴⁰⁴⁹⁶⁶ is an apocalyptic number.

404966 is a deficient number, since it is larger than the sum of its proper divisors (234514).

404966 is a wasteful number, since it uses less digits than its factorization.

404966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10678.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 404966 is about 636.3693895844. The cubic root of 404966 is about 73.9842917717.

The spelling of 404966 in words is "four hundred four thousand, nine hundred sixty-six".