434112021 has 24 divisors (see below), whose sum is σ = 748131840. Its totient is φ = 248063256.

The previous prime is 434112001. The next prime is 434112043. The reversal of 434112021 is 120211434.

It is not a de Polignac number, because 434112021 - 2⁵ = 434111989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434111985 and 434112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162741 + ... + 165386.

It is an arithmetic number, because the mean of its divisors is an integer number (31172160).

Almost surely, 2^434112021 is an apocalyptic number.

It is an amenable number.

434112021 is a deficient number, since it is larger than the sum of its proper divisors (314019819).

434112021 is a wasteful number, since it uses less digits than its factorization.

434112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328150 (or 328137 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 434112021 is about 20835.3550725684. The cubic root of 434112021 is about 757.1825628078.

Adding to 434112021 its reverse (120211434), we get a palindrome (554323455).

The spelling of 434112021 in words is "four hundred thirty-four million, one hundred twelve thousand, twenty-one".