6170987 has 4 divisors (see below), whose sum is σ = 6275640. Its totient is φ = 6066336.

The previous prime is 6170981. The next prime is 6171001. The reversal of 6170987 is 7890716.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6170987 - 2¹² = 6166891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6170987.

It is not an unprimeable number, because it can be changed into a prime (6170981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52238 + ... + 52355.

It is an arithmetic number, because the mean of its divisors is an integer number (1568910).

Almost surely, 2^6170987 is an apocalyptic number.

6170987 is a deficient number, since it is larger than the sum of its proper divisors (104653).

6170987 is a wasteful number, since it uses less digits than its factorization.

6170987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104652.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 6170987 is about 2484.1471373492. The cubic root of 6170987 is about 183.4220503585.

The spelling of 6170987 in words is "six million, one hundred seventy thousand, nine hundred eighty-seven".