6863287 has 4 divisors (see below), whose sum is σ = 6868576. Its totient is φ = 6858000.

The previous prime is 6863261. The next prime is 6863303. The reversal of 6863287 is 7823686.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6863287 - 2⁷ = 6863159 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 (6863587) 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, 787 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (1717144).

Almost surely, 2^6863287 is an apocalyptic number.

6863287 is a deficient number, since it is larger than the sum of its proper divisors (5289).

6863287 is a wasteful number, since it uses less digits than its factorization.

6863287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288.

The product of its digits is 96768, while the sum is 40.

The square root of 6863287 is about 2619.7875868093. The cubic root of 6863287 is about 190.0395762434.

The spelling of 6863287 in words is "six million, eight hundred sixty-three thousand, two hundred eighty-seven".