404846 has 16 divisors (see below), whose sum is σ = 683424. Its totient is φ = 178464.

The previous prime is 404843. The next prime is 404849. The reversal of 404846 is 648404.

It is an interprime number because it is at equal distance from previous prime (404843) and next prime (404849).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 260 + ... + 936.

It is an arithmetic number, because the mean of its divisors is an integer number (42714).

2⁴⁰⁴⁸⁴⁶ is an apocalyptic number.

404846 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

404846 is a deficient number, since it is larger than the sum of its proper divisors (278578).

404846 is a wasteful number, since it uses less digits than its factorization.

404846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 404846 is about 636.2750977368. The cubic root of 404846 is about 73.9769833458.

The spelling of 404846 in words is "four hundred four thousand, eight hundred forty-six".