716403 has 4 divisors (see below), whose sum is σ = 955208. Its totient is φ = 477600.

The previous prime is 716399. The next prime is 716411. The reversal of 716403 is 304617.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 716403 - 2² = 716399 is a prime.

It is a D-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 716403.

It is not an unprimeable number, because it can be changed into a prime (716413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119398 + ... + 119403.

It is an arithmetic number, because the mean of its divisors is an integer number (238802).

2⁷¹⁶⁴⁰³ is an apocalyptic number.

716403 is a deficient number, since it is larger than the sum of its proper divisors (238805).

716403 is a wasteful number, since it uses less digits than its factorization.

716403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238804.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 716403 is about 846.4059309811. The cubic root of 716403 is about 89.4785900121.

The spelling of 716403 in words is "seven hundred sixteen thousand, four hundred three".