6390799 has 2 divisors, whose sum is σ = 6390800. Its totient is φ = 6390798.

The previous prime is 6390763. The next prime is 6390829. The reversal of 6390799 is 9970936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6390799 - 2¹¹ = 6388751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6390719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195399 + 3195400.

It is an arithmetic number, because the mean of its divisors is an integer number (3195400).

Almost surely, 2^6390799 is an apocalyptic number.

6390799 is a deficient number, since it is larger than the sum of its proper divisors (1).

6390799 is an equidigital number, since it uses as much as digits as its factorization.

6390799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 6390799 is about 2528.0029667704. The cubic root of 6390799 is about 185.5745372167.

It can be divided in two parts, 6390 and 799, that multiplied together give a triangular number (5105610 = T₃₁₉₅).

The spelling of 6390799 in words is "six million, three hundred ninety thousand, seven hundred ninety-nine".