6861328 has 10 divisors (see below), whose sum is σ = 13293854. Its totient is φ = 3430656.

The previous prime is 6861311. The next prime is 6861329. The reversal of 6861328 is 8231686.

It can be written as a sum of positive squares in only one way, i.e., 5992704 + 868624 = 2448^2 + 932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6861293 and 6861302.

It is not an unprimeable number, because it can be changed into a prime (6861329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214401 + ... + 214432.

Almost surely, 2^6861328 is an apocalyptic number.

It is an amenable number.

6861328 is a deficient number, since it is larger than the sum of its proper divisors (6432526).

6861328 is a wasteful number, since it uses less digits than its factorization.

6861328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428841 (or 428835 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 6861328 is about 2619.4136748517. The cubic root of 6861328 is about 190.0214934134.

The spelling of 6861328 in words is "six million, eight hundred sixty-one thousand, three hundred twenty-eight".