6779949 has 8 divisors (see below), whose sum is σ = 9861792. Its totient is φ = 4109040.

The previous prime is 6779921. The next prime is 6779951. The reversal of 6779949 is 9499776.

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

It is not a de Polignac number, because 6779949 - 2⁸ = 6779693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6779999) 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 7 ways as a sum of consecutive naturals, for example, 102694 + ... + 102759.

It is an arithmetic number, because the mean of its divisors is an integer number (1232724).

Almost surely, 2^6779949 is an apocalyptic number.

It is an amenable number.

6779949 is a deficient number, since it is larger than the sum of its proper divisors (3081843).

6779949 is a wasteful number, since it uses less digits than its factorization.

6779949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205467.

The product of its digits is 857304, while the sum is 51.

The square root of 6779949 is about 2603.8335200239. The cubic root of 6779949 is about 189.2672516058.

The spelling of 6779949 in words is "six million, seven hundred seventy-nine thousand, nine hundred forty-nine".