6427684 has 6 divisors (see below), whose sum is σ = 11248454. Its totient is φ = 3213840.

The previous prime is 6427679. The next prime is 6427703. The reversal of 6427684 is 4867246.

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 77284 = 2520^2 + 278^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803457 + ... + 803464.

Almost surely, 2^6427684 is an apocalyptic number.

It is an amenable number.

6427684 is a deficient number, since it is larger than the sum of its proper divisors (4820770).

6427684 is a wasteful number, since it uses less digits than its factorization.

6427684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606925 (or 1606923 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 6427684 is about 2535.2877548712. The cubic root of 6427684 is about 185.9308719102.

The spelling of 6427684 in words is "six million, four hundred twenty-seven thousand, six hundred eighty-four".