434746816 has 84 divisors (see below), whose sum is σ = 1011085608. Its totient is φ = 184923648.

The previous prime is 434746811. The next prime is 434746841. The reversal of 434746816 is 618647434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434746811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491911 + ... + 492793.

Almost surely, 2^434746816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434746816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505542804).

434746816 is an abundant number, since it is smaller than the sum of its proper divisors (576338792).

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

434746816 is a wasteful number, since it uses less digits than its factorization.

434746816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1049 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 434746816 is about 20850.5831093521. The cubic root of 434746816 is about 757.5514550037.

The spelling of 434746816 in words is "four hundred thirty-four million, seven hundred forty-six thousand, eight hundred sixteen".