434403221 has 8 divisors (see below), whose sum is σ = 501281664. Its totient is φ = 368730000.

The previous prime is 434403181. The next prime is 434403247. The reversal of 434403221 is 122304434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 434403221 - 2¹⁰ = 434402197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434400221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300530 + ... + 301971.

It is an arithmetic number, because the mean of its divisors is an integer number (62660208).

Almost surely, 2^434403221 is an apocalyptic number.

It is an amenable number.

434403221 is a deficient number, since it is larger than the sum of its proper divisors (66878443).

434403221 is a wasteful number, since it uses less digits than its factorization.

434403221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602611.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 434403221 is about 20842.3420229110. The cubic root of 434403221 is about 757.3518296241.

Adding to 434403221 its reverse (122304434), we get a palindrome (556707655).

The spelling of 434403221 in words is "four hundred thirty-four million, four hundred three thousand, two hundred twenty-one".