335712728 has 64 divisors (see below), whose sum is σ = 698060160. Its totient is φ = 150391296.

The previous prime is 335712709. The next prime is 335712731. The reversal of 335712728 is 827217533.

It is a super-2 number, since 2×335712728² = 225406071482403968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 335712691 and 335712700.

It is a congruent number.

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, 845426 + ... + 845822.

It is an arithmetic number, because the mean of its divisors is an integer number (10907190).

Almost surely, 2^335712728 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 335712728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349030080).

335712728 is an abundant number, since it is smaller than the sum of its proper divisors (362347432).

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

335712728 is a wasteful number, since it uses less digits than its factorization.

335712728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 632 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 335712728 is about 18322.4651179911. The cubic root of 335712728 is about 695.0071444843.

The spelling of 335712728 in words is "three hundred thirty-five million, seven hundred twelve thousand, seven hundred twenty-eight".