728496 has 30 divisors (see below), whose sum is σ = 2039180. Its totient is φ = 242784.

The previous prime is 728489. The next prime is 728521. The reversal of 728496 is 694827.

728496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 728496.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2386 + ... + 2673.

2⁷²⁸⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

728496 is an abundant number, since it is smaller than the sum of its proper divisors (1310684).

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

728496 is a wasteful number, since it uses less digits than its factorization.

728496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073 (or 5064 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 728496 is about 853.5197713000. The cubic root of 728496 is about 89.9792544777.

The spelling of 728496 in words is "seven hundred twenty-eight thousand, four hundred ninety-six".