433404 has 24 divisors (see below), whose sum is σ = 1123920. Its totient is φ = 144432.

The previous prime is 433399. The next prime is 433421. The reversal of 433404 is 404334.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

433404 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1899 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (46830).

2⁴³³⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

433404 is an abundant number, since it is smaller than the sum of its proper divisors (690516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

433404 is a wasteful number, since it uses less digits than its factorization.

433404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4026 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 433404 is about 658.3342616027. The cubic root of 433404 is about 75.6770693023.

Adding to 433404 its reverse (404334), we get a palindrome (837738).

The spelling of 433404 in words is "four hundred thirty-three thousand, four hundred four".