6887141 has 4 divisors (see below), whose sum is σ = 6974400. Its totient is φ = 6799884.

The previous prime is 6887137. The next prime is 6887147. The reversal of 6887141 is 1417886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1417886 = 2 ⋅708943.

It is a cyclic number.

It is not a de Polignac number, because 6887141 - 2² = 6887137 is a prime.

It is a super-2 number, since 2×6887141² = 94865422307762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6887147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43511 + ... + 43668.

It is an arithmetic number, because the mean of its divisors is an integer number (1743600).

Almost surely, 2^6887141 is an apocalyptic number.

It is an amenable number.

6887141 is a deficient number, since it is larger than the sum of its proper divisors (87259).

6887141 is an equidigital number, since it uses as much as digits as its factorization.

6887141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87258.

The product of its digits is 10752, while the sum is 35.

The square root of 6887141 is about 2624.3362970473. The cubic root of 6887141 is about 190.2594884764.

The spelling of 6887141 in words is "six million, eight hundred eighty-seven thousand, one hundred forty-one".