404379 has 16 divisors (see below), whose sum is σ = 635040. Its totient is φ = 253440.

The previous prime is 404357. The next prime is 404381. The reversal of 404379 is 973404.

It is not a de Polignac number, because 404379 - 2⁷ = 404251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (404309) 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 15 ways as a sum of consecutive naturals, for example, 19 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (39690).

2⁴⁰⁴³⁷⁹ is an apocalyptic number.

404379 is a deficient number, since it is larger than the sum of its proper divisors (230661).

404379 is a wasteful number, since it uses less digits than its factorization.

404379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 404379 is about 635.9080122156. The cubic root of 404379 is about 73.9485276338.

The spelling of 404379 in words is "four hundred four thousand, three hundred seventy-nine".