434121420 has 48 divisors (see below), whose sum is σ = 1217099520. Its totient is φ = 115617216.

The previous prime is 434121419. The next prime is 434121431. The reversal of 434121420 is 24121434.

It is a super-2 number, since 2×434121420² = 376922814605632800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47329 + ... + 55751.

It is an arithmetic number, because the mean of its divisors is an integer number (25356240).

Almost surely, 2^434121420 is an apocalyptic number.

It is an amenable number.

434121420 is an abundant number, since it is smaller than the sum of its proper divisors (782978100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

434121420 is a wasteful number, since it uses less digits than its factorization.

434121420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294 (or 9292 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 434121420 is about 20835.5806254589. The cubic root of 434121420 is about 757.1880273785.

Adding to 434121420 its reverse (24121434), we get a palindrome (458242854).

The spelling of 434121420 in words is "four hundred thirty-four million, one hundred twenty-one thousand, four hundred twenty".