6786828 has 30 divisors (see below), whose sum is σ = 17742956. Its totient is φ = 2262168.

The previous prime is 6786821. The next prime is 6786833. The reversal of 6786828 is 8286876.

It is a super-2 number, since 2×6786828² = 92122068603168, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6786821) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10150 + ... + 10797.

Almost surely, 2^6786828 is an apocalyptic number.

It is an amenable number.

6786828 is an abundant number, since it is smaller than the sum of its proper divisors (10956128).

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

6786828 is a wasteful number, since it uses less digits than its factorization.

6786828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20963 (or 20952 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 6786828 is about 2605.1541221202. The cubic root of 6786828 is about 189.3312407470.

It can be divided in two parts, 67868 and 28, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 6786828 in words is "six million, seven hundred eighty-six thousand, eight hundred twenty-eight".