404999 has 8 divisors (see below), whose sum is σ = 473088. Its totient is φ = 339480.

The previous prime is 404983. The next prime is 405001. The reversal of 404999 is 999404.

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

It is a cyclic number.

It is not a de Polignac number, because 404999 - 2⁴ = 404983 is a prime.

404999 is a modest number, since divided by 999 gives 404 as remainder.

It is a plaindrome in base 13 and base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 404999.

It is not an unprimeable number, because it can be changed into a prime (404959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 944.

It is an arithmetic number, because the mean of its divisors is an integer number (59136).

2⁴⁰⁴⁹⁹⁹ is an apocalyptic number.

404999 is a deficient number, since it is larger than the sum of its proper divisors (68089).

404999 is a wasteful number, since it uses less digits than its factorization.

404999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 404999 is about 636.3953173932. The cubic root of 404999 is about 73.9863013357.

The spelling of 404999 in words is "four hundred four thousand, nine hundred ninety-nine".