404530 has 16 divisors (see below), whose sum is σ = 832320. Its totient is φ = 138672.

The previous prime is 404527. The next prime is 404531. The reversal of 404530 is 35404.

It is not an unprimeable number, because it can be changed into a prime (404531) 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, 2820 + ... + 2959.

It is an arithmetic number, because the mean of its divisors is an integer number (52020).

2⁴⁰⁴⁵³⁰ is an apocalyptic number.

404530 is an abundant number, since it is smaller than the sum of its proper divisors (427790).

It is a weird number, because it is abundant, but not a pseudoperfect number.

404530 is a wasteful number, since it uses less digits than its factorization.

404530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5793.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 404530 is about 636.0267289981. The cubic root of 404530 is about 73.9577309127.

Adding to 404530 its reverse (35404), we get a palindrome (439934).

The spelling of 404530 in words is "four hundred four thousand, five hundred thirty".