6776646 has 8 divisors (see below), whose sum is σ = 13553304. Its totient is φ = 2258880.

The previous prime is 6776641. The next prime is 6776677. The reversal of 6776646 is 6466776.

It is a sphenic number, since it is the product of 3 distinct primes.

6776646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6776598 and 6776607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6776641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564715 + ... + 564726.

It is an arithmetic number, because the mean of its divisors is an integer number (1694163).

Almost surely, 2^6776646 is an apocalyptic number.

6776646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6776646 is a wasteful number, since it uses less digits than its factorization.

6776646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129446.

The product of its digits is 254016, while the sum is 42.

The square root of 6776646 is about 2603.1991856176. The cubic root of 6776646 is about 189.2365113904.

The spelling of 6776646 in words is "six million, seven hundred seventy-six thousand, six hundred forty-six".