6778484 has 6 divisors (see below), whose sum is σ = 11862354. Its totient is φ = 3389240.

The previous prime is 6778483. The next prime is 6778517. The reversal of 6778484 is 4848776.

It can be written as a sum of positive squares in only one way, i.e., 5654884 + 1123600 = 2378^2 + 1060^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6778483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847307 + ... + 847314.

It is an arithmetic number, because the mean of its divisors is an integer number (1977059).

Almost surely, 2^6778484 is an apocalyptic number.

It is an amenable number.

6778484 is a deficient number, since it is larger than the sum of its proper divisors (5083870).

6778484 is a wasteful number, since it uses less digits than its factorization.

6778484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694625 (or 1694623 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 6778484 is about 2603.5521888374. The cubic root of 6778484 is about 189.2536184405.

The spelling of 6778484 in words is "six million, seven hundred seventy-eight thousand, four hundred eighty-four".