434021841 has 16 divisors (see below), whose sum is σ = 701449920. Its totient is φ = 263043360.

The previous prime is 434021839. The next prime is 434021851. The reversal of 434021841 is 148120434.

It is not a de Polignac number, because 434021841 - 2¹ = 434021839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (434021821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730380 + ... + 730973.

It is an arithmetic number, because the mean of its divisors is an integer number (43840620).

Almost surely, 2^434021841 is an apocalyptic number.

It is an amenable number.

434021841 is a deficient number, since it is larger than the sum of its proper divisors (267428079).

434021841 is a wasteful number, since it uses less digits than its factorization.

434021841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461373 (or 1461367 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 434021841 is about 20833.1908501794. The cubic root of 434021841 is about 757.1301282218.

The spelling of 434021841 in words is "four hundred thirty-four million, twenty-one thousand, eight hundred forty-one".