6990380 has 12 divisors (see below), whose sum is σ = 14679840. Its totient is φ = 2796144.

The previous prime is 6990371. The next prime is 6990419. The reversal of 6990380 is 830996.

6990380 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 6990380.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 174740 + ... + 174779.

It is an arithmetic number, because the mean of its divisors is an integer number (1223320).

Almost surely, 2^6990380 is an apocalyptic number.

It is an amenable number.

6990380 is an abundant number, since it is smaller than the sum of its proper divisors (7689460).

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

6990380 is a wasteful number, since it uses less digits than its factorization.

6990380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349528 (or 349526 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6990380 is about 2643.9326769039. The cubic root of 6990380 is about 191.2054476369.

The spelling of 6990380 in words is "six million, nine hundred ninety thousand, three hundred eighty".