404894 has 8 divisors (see below), whose sum is σ = 694128. Its totient is φ = 173520.

The previous prime is 404851. The next prime is 404941. The reversal of 404894 is 498404.

It is a happy number.

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

It is a congruent number.

It is an unprimeable 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, 14447 + ... + 14474.

It is an arithmetic number, because the mean of its divisors is an integer number (86766).

2⁴⁰⁴⁸⁹⁴ is an apocalyptic number.

404894 is a deficient number, since it is larger than the sum of its proper divisors (289234).

404894 is a wasteful number, since it uses less digits than its factorization.

404894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28930.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 404894 is about 636.3128161526. The cubic root of 404894 is about 73.9799068894.

The spelling of 404894 in words is "four hundred four thousand, eight hundred ninety-four".