404859 has 16 divisors (see below), whose sum is σ = 664832. Its totient is φ = 213408.

The previous prime is 404851. The next prime is 404941. The reversal of 404859 is 958404.

It is not a de Polignac number, because 404859 - 2³ = 404851 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (404851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469 + ... + 1014.

It is an arithmetic number, because the mean of its divisors is an integer number (41552).

2⁴⁰⁴⁸⁵⁹ is an apocalyptic number.

404859 is a deficient number, since it is larger than the sum of its proper divisors (259973).

404859 is a wasteful number, since it uses less digits than its factorization.

404859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 404859 is about 636.2853133619. The cubic root of 404859 is about 73.9777751616.

It can be divided in two parts, 4048 and 59, that multiplied together give a palindrome (238832).

The spelling of 404859 in words is "four hundred four thousand, eight hundred fifty-nine".