6815828 has 6 divisors (see below), whose sum is σ = 11927706. Its totient is φ = 3407912.

The previous prime is 6815803. The next prime is 6815833. The reversal of 6815828 is 8285186.

It can be written as a sum of positive squares in only one way, i.e., 6646084 + 169744 = 2578^2 + 412^2 .

It is a super-2 number, since 2×6815828² = 92911022651168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6815791 and 6815800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851975 + ... + 851982.

It is an arithmetic number, because the mean of its divisors is an integer number (1987951).

Almost surely, 2^6815828 is an apocalyptic number.

It is an amenable number.

6815828 is a deficient number, since it is larger than the sum of its proper divisors (5111878).

6815828 is a wasteful number, since it uses less digits than its factorization.

6815828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703961 (or 1703959 counting only the distinct ones).

The product of its digits is 30720, while the sum is 38.

The square root of 6815828 is about 2610.7140785616. The cubic root of 6815828 is about 189.6005272763.

It can be divided in two parts, 68158 and 28, that added together give a palindrome (68186).

The spelling of 6815828 in words is "six million, eight hundred fifteen thousand, eight hundred twenty-eight".