6861036 has 96 divisors (see below), whose sum is σ = 20220928. Its totient is φ = 1762560.

The previous prime is 6861017. The next prime is 6861053. The reversal of 6861036 is 6301686.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 6860994 and 6861012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66561 + ... + 66663.

Almost surely, 2^6861036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6861036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10110464).

6861036 is an abundant number, since it is smaller than the sum of its proper divisors (13359892).

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

6861036 is a wasteful number, since it uses less digits than its factorization.

6861036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6861036 is about 2619.3579365944. The cubic root of 6861036 is about 190.0187977708.

The spelling of 6861036 in words is "six million, eight hundred sixty-one thousand, thirty-six".