334743820 has 48 divisors (see below), whose sum is σ = 726485760. Its totient is φ = 129479616.

The previous prime is 334743793. The next prime is 334743853. The reversal of 334743820 is 28347433.

It is a happy number.

It is a super-2 number, since 2×334743820² = 224106850056384800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86691 + ... + 90469.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^334743820 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 334743820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363242880).

334743820 is an abundant number, since it is smaller than the sum of its proper divisors (391741940).

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

334743820 is a wasteful number, since it uses less digits than its factorization.

334743820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 334743820 is about 18296.0055749882. The cubic root of 334743820 is about 694.3378749937.

The spelling of 334743820 in words is "three hundred thirty-four million, seven hundred forty-three thousand, eight hundred twenty".