6286987 has 8 divisors (see below), whose sum is σ = 7352576. Its totient is φ = 5263272.

The previous prime is 6286933. The next prime is 6287009. The reversal of 6286987 is 7896826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6286987 is a prime.

It is a super-3 number, since 3×6286987³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6286927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10143 + ... + 10744.

It is an arithmetic number, because the mean of its divisors is an integer number (919072).

Almost surely, 2^6286987 is an apocalyptic number.

6286987 is a deficient number, since it is larger than the sum of its proper divisors (1065589).

6286987 is a wasteful number, since it uses less digits than its factorization.

6286987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937.

The product of its digits is 290304, while the sum is 46.

The square root of 6286987 is about 2507.3864879591. The cubic root of 6286987 is about 184.5642238890.

The spelling of 6286987 in words is "six million, two hundred eighty-six thousand, nine hundred eighty-seven".