434424021 has 8 divisors (see below), whose sum is σ = 589049760. Its totient is φ = 284707152.

The previous prime is 434424019. The next prime is 434424059. The reversal of 434424021 is 120424434.

It is a happy number.

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

It is not a de Polignac number, because 434424021 - 2¹ = 434424019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434423982 and 434424000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434424061) 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, 1227010 + ... + 1227363.

It is an arithmetic number, because the mean of its divisors is an integer number (73631220).

Almost surely, 2^434424021 is an apocalyptic number.

It is an amenable number.

434424021 is a deficient number, since it is larger than the sum of its proper divisors (154625739).

434424021 is a wasteful number, since it uses less digits than its factorization.

434424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454435.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 434424021 is about 20842.8410011687. The cubic root of 434424021 is about 757.3639172161.

Adding to 434424021 its reverse (120424434), we get a palindrome (554848455).

The spelling of 434424021 in words is "four hundred thirty-four million, four hundred twenty-four thousand, twenty-one".