6649934 has 16 divisors (see below), whose sum is σ = 10360320. Its totient is φ = 3197880.

The previous prime is 6649919. The next prime is 6649999. The reversal of 6649934 is 4399466.

It is a junction number, because it is equal to n+sod(n) for n = 6649891 and 6649900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17357 + ... + 17735.

It is an arithmetic number, because the mean of its divisors is an integer number (647520).

Almost surely, 2^6649934 is an apocalyptic number.

6649934 is a deficient number, since it is larger than the sum of its proper divisors (3710386).

6649934 is a wasteful number, since it uses less digits than its factorization.

6649934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its digits is 139968, while the sum is 41.

The square root of 6649934 is about 2578.7465947627. The cubic root of 6649934 is about 188.0496134336.

The spelling of 6649934 in words is "six million, six hundred forty-nine thousand, nine hundred thirty-four".