728463 has 8 divisors (see below), whose sum is σ = 994048. Its totient is φ = 474264.

The previous prime is 728437. The next prime is 728471. The reversal of 728463 is 364827.

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

It is not a de Polignac number, because 728463 - 2⁸ = 728207 is a prime.

It is the 854-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 728463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728423) by changing a digit.

It is a nontrivial repunit in base 853.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2695 + ... + 2952.

It is an arithmetic number, because the mean of its divisors is an integer number (124256).

2⁷²⁸⁴⁶³ is an apocalyptic number.

728463 is a deficient number, since it is larger than the sum of its proper divisors (265585).

728463 is a wasteful number, since it uses less digits than its factorization.

728463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5693.

The product of its digits is 8064, while the sum is 30.

The square root of 728463 is about 853.5004393672. The cubic root of 728463 is about 89.9778958062.

The spelling of 728463 in words is "seven hundred twenty-eight thousand, four hundred sixty-three".