716399 has 2 divisors, whose sum is σ = 716400. Its totient is φ = 716398.

The previous prime is 716389. The next prime is 716411. The reversal of 716399 is 993617.

It is a weak prime.

It is an emirp because it is prime and its reverse (993617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 716399 - 2⁴ = 716383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (716389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358199 + 358200.

It is an arithmetic number, because the mean of its divisors is an integer number (358200).

2⁷¹⁶³⁹⁹ is an apocalyptic number.

716399 is a deficient number, since it is larger than the sum of its proper divisors (1).

716399 is an equidigital number, since it uses as much as digits as its factorization.

716399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 35.

The square root of 716399 is about 846.4035680454. The cubic root of 716399 is about 89.4784234787.

The spelling of 716399 in words is "seven hundred sixteen thousand, three hundred ninety-nine".