434221544 has 16 divisors (see below), whose sum is σ = 820024800. Its totient is φ = 215548272.

The previous prime is 434221519. The next prime is 434221549. The reversal of 434221544 is 445122434.

It is not an unprimeable number, because it can be changed into a prime (434221549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194132 + ... + 196355.

It is an arithmetic number, because the mean of its divisors is an integer number (51251550).

Almost surely, 2^434221544 is an apocalyptic number.

It is an amenable number.

434221544 is a deficient number, since it is larger than the sum of its proper divisors (385803256).

434221544 is a wasteful number, since it uses less digits than its factorization.

434221544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390632 (or 390628 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 434221544 is about 20837.9832037556. The cubic root of 434221544 is about 757.2462344937.

Adding to 434221544 its reverse (445122434), we get a palindrome (879343978).

The spelling of 434221544 in words is "four hundred thirty-four million, two hundred twenty-one thousand, five hundred forty-four".