6389704 has 8 divisors (see below), whose sum is σ = 11980710. Its totient is φ = 3194848.

The previous prime is 6389701. The next prime is 6389711. The reversal of 6389704 is 4079836.

It can be written as a sum of positive squares in only one way, i.e., 4401604 + 1988100 = 2098^2 + 1410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6389701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399349 + ... + 399364.

Almost surely, 2^6389704 is an apocalyptic number.

It is an amenable number.

6389704 is a deficient number, since it is larger than the sum of its proper divisors (5591006).

6389704 is a wasteful number, since it uses less digits than its factorization.

6389704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798719 (or 798715 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6389704 is about 2527.7863833797. The cubic root of 6389704 is about 185.5639378261.

The spelling of 6389704 in words is "six million, three hundred eighty-nine thousand, seven hundred four".