6990208 has 32 divisors (see below), whose sum is σ = 14094360. Its totient is φ = 3452928.

The previous prime is 6990199. The next prime is 6990227. The reversal of 6990208 is 8020996.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12135 + ... + 12697.

Almost surely, 2^6990208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6990208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7047180).

6990208 is an abundant number, since it is smaller than the sum of its proper divisors (7104152).

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

6990208 is an equidigital number, since it uses as much as digits as its factorization.

6990208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 6990208 is about 2643.9001494005. The cubic root of 6990208 is about 191.2038794052.

The spelling of 6990208 in words is "six million, nine hundred ninety thousand, two hundred eight".