6780946 has 8 divisors (see below), whose sum is σ = 10185840. Its totient is φ = 3385668.

The previous prime is 6780941. The next prime is 6780959. The reversal of 6780946 is 6490876.

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

It is a junction number, because it is equal to n+sod(n) for n = 6780899 and 6780908.

It is not an unprimeable number, because it can be changed into a prime (6780941) by changing a digit.

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, 256 + ... + 3691.

It is an arithmetic number, because the mean of its divisors is an integer number (1273230).

Almost surely, 2^6780946 is an apocalyptic number.

6780946 is a deficient number, since it is larger than the sum of its proper divisors (3404894).

6780946 is a wasteful number, since it uses less digits than its factorization.

6780946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6780946 is about 2604.0249614779. The cubic root of 6780946 is about 189.2765284800.

The spelling of 6780946 in words is "six million, seven hundred eighty thousand, nine hundred forty-six".