728335 has 8 divisors (see below), whose sum is σ = 904320. Its totient is φ = 562464.

The previous prime is 728333. The next prime is 728369. The reversal of 728335 is 533827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 728335 - 2¹ = 728333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367 + ... + 2656.

It is an arithmetic number, because the mean of its divisors is an integer number (113040).

2⁷²⁸³³⁵ is an apocalyptic number.

728335 is a deficient number, since it is larger than the sum of its proper divisors (175985).

728335 is a wasteful number, since it uses less digits than its factorization.

728335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057.

The product of its digits is 5040, while the sum is 28.

The square root of 728335 is about 853.4254507571. The cubic root of 728335 is about 89.9726254194.

The spelling of 728335 in words is "seven hundred twenty-eight thousand, three hundred thirty-five".