404434 has 16 divisors (see below), whose sum is σ = 662400. Its totient is φ = 184464.

The previous prime is 404431. The next prime is 404449. The reversal of 404434 is 434404.

404434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (404431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2⁴⁰⁴⁴³⁴ is an apocalyptic number.

404434 is a deficient number, since it is larger than the sum of its proper divisors (257966).

404434 is a wasteful number, since it uses less digits than its factorization.

404434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 404434 is about 635.9512559937. The cubic root of 404434 is about 73.9518800867.

Adding to 404434 its reverse (434404), we get a palindrome (838838).

It can be divided in two parts, 404 and 434, that added together give a palindrome (838).

The spelling of 404434 in words is "four hundred four thousand, four hundred thirty-four".