6287998 has 8 divisors (see below), whose sum is σ = 9515808. Its totient is φ = 3116064.

The previous prime is 6287969. The next prime is 6288053. The reversal of 6287998 is 8997826.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13686 + ... + 14137.

It is an arithmetic number, because the mean of its divisors is an integer number (1189476).

Almost surely, 2^6287998 is an apocalyptic number.

6287998 is a deficient number, since it is larger than the sum of its proper divisors (3227810).

6287998 is a wasteful number, since it uses less digits than its factorization.

6287998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27938.

The product of its digits is 435456, while the sum is 49.

The square root of 6287998 is about 2507.5880841956. The cubic root of 6287998 is about 184.5741165148.

The spelling of 6287998 in words is "six million, two hundred eighty-seven thousand, nine hundred ninety-eight".