335130728 has 16 divisors (see below), whose sum is σ = 650038500. Its totient is φ = 161787136.

The previous prime is 335130709. The next prime is 335130773. The reversal of 335130728 is 827031533.

It can be written as a sum of positive squares in 2 ways, for example, as 319622884 + 15507844 = 17878^2 + 3938^2 .

It is a super-2 number, since 2×335130728² = 224625209699619968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 335130694 and 335130703.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722033 + ... + 722496.

Almost surely, 2^335130728 is an apocalyptic number.

It is an amenable number.

335130728 is a deficient number, since it is larger than the sum of its proper divisors (314907772).

335130728 is a wasteful number, since it uses less digits than its factorization.

335130728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444564 (or 1444560 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 335130728 is about 18306.5760862047. The cubic root of 335130728 is about 694.6052849014.

The spelling of 335130728 in words is "three hundred thirty-five million, one hundred thirty thousand, seven hundred twenty-eight".