6647104 has 28 divisors (see below), whose sum is σ = 13273024. Its totient is φ = 3302784.

The previous prime is 6647099. The next prime is 6647107. The reversal of 6647104 is 4017466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6647107) 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, 17929 + ... + 18295.

Almost surely, 2^6647104 is an apocalyptic number.

6647104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6647104 is a deficient number, since it is larger than the sum of its proper divisors (6625920).

6647104 is a wasteful number, since it uses less digits than its factorization.

6647104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6647104 is about 2578.1978201837. The cubic root of 6647104 is about 188.0229336743.

It can be divided in two parts, 664 and 7104, that multiplied together give a triangular number (4717056 = T₃₀₇₁).

The spelling of 6647104 in words is "six million, six hundred forty-seven thousand, one hundred four".