335631616 has 72 divisors (see below), whose sum is σ = 706958280. Its totient is φ = 158785536.

The previous prime is 335631509. The next prime is 335631619. The reversal of 335631616 is 616136533.

It can be written as a sum of positive squares in 4 ways, for example, as 20214016 + 315417600 = 4496^2 + 17760^2 .

It is a super-2 number, since 2×335631616² = 225297163317542912, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (335631619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393046 + ... + 393898.

It is an arithmetic number, because the mean of its divisors is an integer number (9818865).

Almost surely, 2^335631616 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 335631616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353479140).

335631616 is an abundant number, since it is smaller than the sum of its proper divisors (371326664).

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

335631616 is an equidigital number, since it uses as much as digits as its factorization.

335631616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 937 counting only the distinct ones).

The product of its digits is 29160, while the sum is 34.

The square root of 335631616 is about 18320.2515266576. The cubic root of 335631616 is about 694.9511661080.

The spelling of 335631616 in words is "three hundred thirty-five million, six hundred thirty-one thousand, six hundred sixteen".