434312421 has 8 divisors (see below), whose sum is σ = 579986400. Its totient is φ = 289090032.

The previous prime is 434312419. The next prime is 434312429. The reversal of 434312421 is 124213434.

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

It is not a de Polignac number, because 434312421 - 2¹ = 434312419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434312391 and 434312400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434312429) 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, 110646 + ... + 114503.

It is an arithmetic number, because the mean of its divisors is an integer number (72498300).

Almost surely, 2^434312421 is an apocalyptic number.

It is an amenable number.

434312421 is a deficient number, since it is larger than the sum of its proper divisors (145673979).

434312421 is a wasteful number, since it uses less digits than its factorization.

434312421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225795.

The product of its digits is 2304, while the sum is 24.

The square root of 434312421 is about 20840.1636509889. The cubic root of 434312421 is about 757.2990581170.

Adding to 434312421 its reverse (124213434), we get a palindrome (558525855).

The spelling of 434312421 in words is "four hundred thirty-four million, three hundred twelve thousand, four hundred twenty-one".