6779904 has 44 divisors (see below), whose sum is σ = 18079104. Its totient is φ = 2258944.

The previous prime is 6779863. The next prime is 6779911. The reversal of 6779904 is 4099776.

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, 1969 + ... + 4175.

Almost surely, 2^6779904 is an apocalyptic number.

6779904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6779904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9039552).

6779904 is an abundant number, since it is smaller than the sum of its proper divisors (11299200).

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

6779904 is a wasteful number, since it uses less digits than its factorization.

6779904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 6779904 is about 2603.8248789041. The cubic root of 6779904 is about 189.2668328689.

It can be divided in two parts, 6779 and 904, that multiplied together give a palindrome (6128216).

The spelling of 6779904 in words is "six million, seven hundred seventy-nine thousand, nine hundred four".