716388 has 12 divisors (see below), whose sum is σ = 1671600. Its totient is φ = 238792.

The previous prime is 716383. The next prime is 716389. The reversal of 716388 is 883617.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 716388.

It is not an unprimeable number, because it can be changed into a prime (716383) by changing a digit.

716388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 29838 + ... + 29861.

It is an arithmetic number, because the mean of its divisors is an integer number (139300).

2⁷¹⁶³⁸⁸ is an apocalyptic number.

It is an amenable number.

716388 is an abundant number, since it is smaller than the sum of its proper divisors (955212).

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

716388 is a wasteful number, since it uses less digits than its factorization.

716388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59706 (or 59704 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 716388 is about 846.3970699382. The cubic root of 716388 is about 89.4779655087.

The spelling of 716388 in words is "seven hundred sixteen thousand, three hundred eighty-eight".