6990799 has 2 divisors, whose sum is σ = 6990800. Its totient is φ = 6990798.

The previous prime is 6990761. The next prime is 6990821. The reversal of 6990799 is 9970996.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6990799 - 2¹³ = 6982607 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6990749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3495399 + 3495400.

It is an arithmetic number, because the mean of its divisors is an integer number (3495400).

Almost surely, 2^6990799 is an apocalyptic number.

6990799 is a deficient number, since it is larger than the sum of its proper divisors (1).

6990799 is an equidigital number, since it uses as much as digits as its factorization.

6990799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 275562, while the sum is 49.

The square root of 6990799 is about 2644.0119137402. The cubic root of 6990799 is about 191.2092678146.

The spelling of 6990799 in words is "six million, nine hundred ninety thousand, seven hundred ninety-nine".