6387242 has 8 divisors (see below), whose sum is σ = 9761796. Its totient is φ = 3133312.

The previous prime is 6387217. The next prime is 6387259. The reversal of 6387242 is 2427836.

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 477481 = 2431^2 + 691^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6387199 and 6387208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30023 + ... + 30234.

Almost surely, 2^6387242 is an apocalyptic number.

6387242 is a deficient number, since it is larger than the sum of its proper divisors (3374554).

6387242 is a wasteful number, since it uses less digits than its factorization.

6387242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60312.

The product of its digits is 16128, while the sum is 32.

The square root of 6387242 is about 2527.2993491077. The cubic root of 6387242 is about 185.5401017139.

The spelling of 6387242 in words is "six million, three hundred eighty-seven thousand, two hundred forty-two".