6647402 has 8 divisors (see below), whose sum is σ = 9982656. Its totient is φ = 3319852.

The previous prime is 6647401. The next prime is 6647411. The reversal of 6647402 is 2047466.

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

It is not an unprimeable number, because it can be changed into a prime (6647401) 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 in 3 ways as a sum of consecutive naturals, for example, 1343 + ... + 3885.

It is an arithmetic number, because the mean of its divisors is an integer number (1247832).

Almost surely, 2^6647402 is an apocalyptic number.

6647402 is a deficient number, since it is larger than the sum of its proper divisors (3335254).

6647402 is a wasteful number, since it uses less digits than its factorization.

6647402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 6647402 is about 2578.2556118430. The cubic root of 6647402 is about 188.0257434190.

The spelling of 6647402 in words is "six million, six hundred forty-seven thousand, four hundred two".