6887061 has 6 divisors (see below), whose sum is σ = 9947990. Its totient is φ = 4591368.

The previous prime is 6887059. The next prime is 6887077. The reversal of 6887061 is 1607886.

6887061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3538161 + 3348900 = 1881^2 + 1830^2 .

It is not a de Polignac number, because 6887061 - 2¹ = 6887059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887161) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 382606 + ... + 382623.

Almost surely, 2^6887061 is an apocalyptic number.

It is an amenable number.

6887061 is a deficient number, since it is larger than the sum of its proper divisors (3060929).

6887061 is a wasteful number, since it uses less digits than its factorization.

6887061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765235 (or 765232 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 6887061 is about 2624.3210550540. The cubic root of 6887061 is about 190.2587517983.

The spelling of 6887061 in words is "six million, eight hundred eighty-seven thousand, sixty-one".