434324021 has 8 divisors (see below), whose sum is σ = 461458080. Its totient is φ = 407617488.

The previous prime is 434324003. The next prime is 434324027. The reversal of 434324021 is 120423434.

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

It is not a de Polignac number, because 434324021 - 2¹⁰ = 434322997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434324027) 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, 104786 + ... + 108851.

It is an arithmetic number, because the mean of its divisors is an integer number (57682260).

Almost surely, 2^434324021 is an apocalyptic number.

It is an amenable number.

434324021 is a deficient number, since it is larger than the sum of its proper divisors (27134059).

434324021 is a wasteful number, since it uses less digits than its factorization.

434324021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213763.

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

The square root of 434324021 is about 20840.4419578856. The cubic root of 434324021 is about 757.3058002612.

Adding to 434324021 its reverse (120423434), we get a palindrome (554747455).

The spelling of 434324021 in words is "four hundred thirty-four million, three hundred twenty-four thousand, twenty-one".