434447481 has 16 divisors (see below), whose sum is σ = 631342656. Its totient is φ = 264129216.

The previous prime is 434447477. The next prime is 434447491. The reversal of 434447481 is 184744434.

It is a happy number.

It is not a de Polignac number, because 434447481 - 2² = 434447477 is a prime.

It is a super-2 number, since 2×434447481² = 377489227494490722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (434447441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63870 + ... + 70343.

It is an arithmetic number, because the mean of its divisors is an integer number (39458916).

Almost surely, 2^434447481 is an apocalyptic number.

It is an amenable number.

434447481 is a deficient number, since it is larger than the sum of its proper divisors (196895175).

434447481 is a wasteful number, since it uses less digits than its factorization.

434447481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134312.

The product of its digits is 172032, while the sum is 39.

The square root of 434447481 is about 20843.4037767347. The cubic root of 434447481 is about 757.3775501621.

The spelling of 434447481 in words is "four hundred thirty-four million, four hundred forty-seven thousand, four hundred eighty-one".