404898 has 32 divisors (see below), whose sum is σ = 907200. Its totient is φ = 119616.

The previous prime is 404851. The next prime is 404941. The reversal of 404898 is 898404.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2⁴⁰⁴⁸⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453600).

404898 is an abundant number, since it is smaller than the sum of its proper divisors (502302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404898 is a wasteful number, since it uses less digits than its factorization.

404898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 404898 is about 636.3159592529. The cubic root of 404898 is about 73.9801505076.

The spelling of 404898 in words is "four hundred four thousand, eight hundred ninety-eight".