788399 has 2 divisors, whose sum is σ = 788400. Its totient is φ = 788398.

The previous prime is 788393. The next prime is 788413. The reversal of 788399 is 993887.

It is a weak prime.

It is an emirp because it is prime and its reverse (993887) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 788399 - 2⁴ = 788383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788393) by changing a digit.

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 as a sum of consecutive naturals, namely, 394199 + 394200.

It is an arithmetic number, because the mean of its divisors is an integer number (394200).

2⁷⁸⁸³⁹⁹ is an apocalyptic number.

788399 is a deficient number, since it is larger than the sum of its proper divisors (1).

788399 is an equidigital number, since it uses as much as digits as its factorization.

788399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 788399 is about 887.9183521023. The cubic root of 788399 is about 92.3808643994.

The spelling of 788399 in words is "seven hundred eighty-eight thousand, three hundred ninety-nine".